Home / 998,496,007.20-1,497,744,010.80-454,300,423.20

Finding the Fourth Proportional to 998,496,007.20, 1,497,744,010.80 and 454,300,423.20

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Solution

The fourth proportional to 998,496,007.20, 1,497,744,010.80 and 454,300,423.20 is: 681,450,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,496,007.20 : 1,497,744,010.80 = 454,300,423.20 : x
  2. Step 2: Convert to fraction form
    998,496,007.20/1,497,744,010.80 = 454,300,423.20/x
  3. Step 3: Cross multiply
    998,496,007.20x = 1,497,744,010.80 × 454,300,423.20
  4. Step 4: Simplify right side
    998,496,007.20x = 680,425,737,951,705,344
  5. Step 5: Solve for x
    x = 680,425,737,951,705,344/998,496,007.20
  6. Step 6: Final answer
    x = 681,450,634.80

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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.