Home / 472,395,414.30-708,593,121.45-429,348,693.30

Finding the Fourth Proportional to 472,395,414.30, 708,593,121.45 and 429,348,693.30

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Solution

The fourth proportional to 472,395,414.30, 708,593,121.45 and 429,348,693.30 is: 644,023,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,414.30 : 708,593,121.45 = 429,348,693.30 : x
  2. Step 2: Convert to fraction form
    472,395,414.30/708,593,121.45 = 429,348,693.30/x
  3. Step 3: Cross multiply
    472,395,414.30x = 708,593,121.45 × 429,348,693.30
  4. Step 4: Simplify right side
    472,395,414.30x = 304,233,530,775,925,760
  5. Step 5: Solve for x
    x = 304,233,530,775,925,760/472,395,414.30
  6. Step 6: Final answer
    x = 644,023,039.95

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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.