Home / 516,336,315-712,544,129.10-284,549,307

Finding the Fourth Proportional to 516,336,315, 712,544,129.10 and 284,549,307

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Solution

The fourth proportional to 516,336,315, 712,544,129.10 and 284,549,307 is: 392,678,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,336,315 : 712,544,129.10 = 284,549,307 : x
  2. Step 2: Convert to fraction form
    516,336,315/712,544,129.10 = 284,549,307/x
  3. Step 3: Cross multiply
    516,336,315x = 712,544,129.10 × 284,549,307
  4. Step 4: Simplify right side
    516,336,315x = 202,753,938,142,323,552
  5. Step 5: Solve for x
    x = 202,753,938,142,323,552/516,336,315
  6. Step 6: Final answer
    x = 392,678,051.60

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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.