Home / 472,123,780.95-651,531,445.35-260,425,836.21

Finding the Fourth Proportional to 472,123,780.95, 651,531,445.35 and 260,425,836.21

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Solution

The fourth proportional to 472,123,780.95, 651,531,445.35 and 260,425,836.21 is: 359,388,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,123,780.95 : 651,531,445.35 = 260,425,836.21 : x
  2. Step 2: Convert to fraction form
    472,123,780.95/651,531,445.35 = 260,425,836.21/x
  3. Step 3: Cross multiply
    472,123,780.95x = 651,531,445.35 × 260,425,836.21
  4. Step 4: Simplify right side
    472,123,780.95x = 169,675,621,472,383,680
  5. Step 5: Solve for x
    x = 169,675,621,472,383,680/472,123,780.95
  6. Step 6: Final answer
    x = 359,388,000.18

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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.