Home / 885,718,397.80-1,328,577,596.70-516,874,724.20

Finding the Fourth Proportional to 885,718,397.80, 1,328,577,596.70 and 516,874,724.20

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Solution

The fourth proportional to 885,718,397.80, 1,328,577,596.70 and 516,874,724.20 is: 775,312,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,718,397.80 : 1,328,577,596.70 = 516,874,724.20 : x
  2. Step 2: Convert to fraction form
    885,718,397.80/1,328,577,596.70 = 516,874,724.20/x
  3. Step 3: Cross multiply
    885,718,397.80x = 1,328,577,596.70 × 516,874,724.20
  4. Step 4: Simplify right side
    885,718,397.80x = 686,708,178,872,611,328
  5. Step 5: Solve for x
    x = 686,708,178,872,611,328/885,718,397.80
  6. Step 6: Final answer
    x = 775,312,086.30

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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.