Home / 467,867,691.12-645,657,571.14-256,187,910.12

Finding the Fourth Proportional to 467,867,691.12, 645,657,571.14 and 256,187,910.12

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Solution

The fourth proportional to 467,867,691.12, 645,657,571.14 and 256,187,910.12 is: 353,539,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,867,691.12 : 645,657,571.14 = 256,187,910.12 : x
  2. Step 2: Convert to fraction form
    467,867,691.12/645,657,571.14 = 256,187,910.12/x
  3. Step 3: Cross multiply
    467,867,691.12x = 645,657,571.14 × 256,187,910.12
  4. Step 4: Simplify right side
    467,867,691.12x = 165,409,663,803,511,840
  5. Step 5: Solve for x
    x = 165,409,663,803,511,840/467,867,691.12
  6. Step 6: Final answer
    x = 353,539,402.15

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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.