Home / 517,204,808.85-713,757,753.77-282,270,547.29

Finding the Fourth Proportional to 517,204,808.85, 713,757,753.77 and 282,270,547.29

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Solution

The fourth proportional to 517,204,808.85, 713,757,753.77 and 282,270,547.29 is: 389,541,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,204,808.85 : 713,757,753.77 = 282,270,547.29 : x
  2. Step 2: Convert to fraction form
    517,204,808.85/713,757,753.77 = 282,270,547.29/x
  3. Step 3: Cross multiply
    517,204,808.85x = 713,757,753.77 × 282,270,547.29
  4. Step 4: Simplify right side
    517,204,808.85x = 201,472,791,787,727,616
  5. Step 5: Solve for x
    x = 201,472,791,787,727,616/517,204,808.85
  6. Step 6: Final answer
    x = 389,541,605.84

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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.