Home / 373,391,031.60-560,511,700.20-220,123,447.20

Finding the Fourth Proportional to 373,391,031.60, 560,511,700.20 and 220,123,447.20

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Solution

The fourth proportional to 373,391,031.60, 560,511,700.20 and 220,123,447.20 is: 330,435,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,391,031.60 : 560,511,700.20 = 220,123,447.20 : x
  2. Step 2: Convert to fraction form
    373,391,031.60/560,511,700.20 = 220,123,447.20/x
  3. Step 3: Cross multiply
    373,391,031.60x = 560,511,700.20 × 220,123,447.20
  4. Step 4: Simplify right side
    373,391,031.60x = 123,381,767,643,956,928
  5. Step 5: Solve for x
    x = 123,381,767,643,956,928/373,391,031.60
  6. Step 6: Final answer
    x = 330,435,809.12

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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.