Home / 1,513,113,797.85-2,088,148,885.38-877,986,444.48

Finding the Fourth Proportional to 1,513,113,797.85, 2,088,148,885.38 and 877,986,444.48

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Solution

The fourth proportional to 1,513,113,797.85, 2,088,148,885.38 and 877,986,444.48 is: 1,211,651,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,113,797.85 : 2,088,148,885.38 = 877,986,444.48 : x
  2. Step 2: Convert to fraction form
    1,513,113,797.85/2,088,148,885.38 = 877,986,444.48/x
  3. Step 3: Cross multiply
    1,513,113,797.85x = 2,088,148,885.38 × 877,986,444.48
  4. Step 4: Simplify right side
    1,513,113,797.85x = 1,833,366,415,419,661,312
  5. Step 5: Solve for x
    x = 1,833,366,415,419,661,312/1,513,113,797.85
  6. Step 6: Final answer
    x = 1,211,651,376.14

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Double scale
Find fourth proportional to 1,513,113,798.85, 2,088,148,886.76 and 877,986,445.48
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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.