Home / 1,539,778,843.10-2,309,668,264.65-927,558,811.10

Finding the Fourth Proportional to 1,539,778,843.10, 2,309,668,264.65 and 927,558,811.10

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Solution

The fourth proportional to 1,539,778,843.10, 2,309,668,264.65 and 927,558,811.10 is: 1,391,338,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,778,843.10 : 2,309,668,264.65 = 927,558,811.10 : x
  2. Step 2: Convert to fraction form
    1,539,778,843.10/2,309,668,264.65 = 927,558,811.10/x
  3. Step 3: Cross multiply
    1,539,778,843.10x = 2,309,668,264.65 × 927,558,811.10
  4. Step 4: Simplify right side
    1,539,778,843.10x = 2,142,353,149,594,154,240
  5. Step 5: Solve for x
    x = 2,142,353,149,594,154,240/1,539,778,843.10
  6. Step 6: Final answer
    x = 1,391,338,216.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.