Home / 515,808,045.30-773,712,067.95-413,771,373.30

Finding the Fourth Proportional to 515,808,045.30, 773,712,067.95 and 413,771,373.30

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Solution

The fourth proportional to 515,808,045.30, 773,712,067.95 and 413,771,373.30 is: 620,657,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,808,045.30 : 773,712,067.95 = 413,771,373.30 : x
  2. Step 2: Convert to fraction form
    515,808,045.30/773,712,067.95 = 413,771,373.30/x
  3. Step 3: Cross multiply
    515,808,045.30x = 773,712,067.95 × 413,771,373.30
  4. Step 4: Simplify right side
    515,808,045.30x = 320,139,904,894,454,464
  5. Step 5: Solve for x
    x = 320,139,904,894,454,464/515,808,045.30
  6. Step 6: Final answer
    x = 620,657,059.95

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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.