Home / 1,921,425,972.48-2,882,532,054.40-660,726,355.94

Finding the Fourth Proportional to 1,921,425,972.48, 2,882,532,054.40 and 660,726,355.94

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Solution

The fourth proportional to 1,921,425,972.48, 2,882,532,054.40 and 660,726,355.94 is: 991,224,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,425,972.48 : 2,882,532,054.40 = 660,726,355.94 : x
  2. Step 2: Convert to fraction form
    1,921,425,972.48/2,882,532,054.40 = 660,726,355.94/x
  3. Step 3: Cross multiply
    1,921,425,972.48x = 2,882,532,054.40 × 660,726,355.94
  4. Step 4: Simplify right side
    1,921,425,972.48x = 1,904,564,900,195,417,600
  5. Step 5: Solve for x
    x = 1,904,564,900,195,417,600/1,921,425,972.48
  6. Step 6: Final answer
    x = 991,224,708.88

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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.