Home / 885,718,386.80-1,328,577,580.20-516,874,713.20

Finding the Fourth Proportional to 885,718,386.80, 1,328,577,580.20 and 516,874,713.20

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Solution

The fourth proportional to 885,718,386.80, 1,328,577,580.20 and 516,874,713.20 is: 775,312,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,718,386.80 : 1,328,577,580.20 = 516,874,713.20 : x
  2. Step 2: Convert to fraction form
    885,718,386.80/1,328,577,580.20 = 516,874,713.20/x
  3. Step 3: Cross multiply
    885,718,386.80x = 1,328,577,580.20 × 516,874,713.20
  4. Step 4: Simplify right side
    885,718,386.80x = 686,708,155,729,825,024
  5. Step 5: Solve for x
    x = 686,708,155,729,825,024/885,718,386.80
  6. Step 6: Final answer
    x = 775,312,069.80

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Double scale
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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.