Home / 516,336,313.50-712,544,127.03-284,549,305.50

Finding the Fourth Proportional to 516,336,313.50, 712,544,127.03 and 284,549,305.50

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Solution

The fourth proportional to 516,336,313.50, 712,544,127.03 and 284,549,305.50 is: 392,678,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,336,313.50 : 712,544,127.03 = 284,549,305.50 : x
  2. Step 2: Convert to fraction form
    516,336,313.50/712,544,127.03 = 284,549,305.50/x
  3. Step 3: Cross multiply
    516,336,313.50x = 712,544,127.03 × 284,549,305.50
  4. Step 4: Simplify right side
    516,336,313.50x = 202,753,936,484,490,272
  5. Step 5: Solve for x
    x = 202,753,936,484,490,272/516,336,313.50
  6. Step 6: Final answer
    x = 392,678,049.53

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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.