Home / 1,513,236,794.76-2,088,265,833.54-817,875,770.76

Finding the Fourth Proportional to 1,513,236,794.76, 2,088,265,833.54 and 817,875,770.76

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Solution

The fourth proportional to 1,513,236,794.76, 2,088,265,833.54 and 817,875,770.76 is: 1,128,668,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,236,794.76 : 2,088,265,833.54 = 817,875,770.76 : x
  2. Step 2: Convert to fraction form
    1,513,236,794.76/2,088,265,833.54 = 817,875,770.76/x
  3. Step 3: Cross multiply
    1,513,236,794.76x = 2,088,265,833.54 × 817,875,770.76
  4. Step 4: Simplify right side
    1,513,236,794.76x = 1,707,942,028,158,301,184
  5. Step 5: Solve for x
    x = 1,707,942,028,158,301,184/1,513,236,794.76
  6. Step 6: Final answer
    x = 1,128,668,053.85

Related Problems

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Half scale
Find fourth proportional to 3,026,473,589.52, 4,176,531,667.08 and 1,635,751,541.52
Double scale
Find fourth proportional to 1,513,236,795.76, 2,088,265,834.92 and 817,875,771.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.