Home / 921,286,706.94-1,381,930,060.40-307,870,932.68

Finding the Fourth Proportional to 921,286,706.94, 1,381,930,060.40 and 307,870,932.68

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Solution

The fourth proportional to 921,286,706.94, 1,381,930,060.40 and 307,870,932.68 is: 461,806,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,286,706.94 : 1,381,930,060.40 = 307,870,932.68 : x
  2. Step 2: Convert to fraction form
    921,286,706.94/1,381,930,060.40 = 307,870,932.68/x
  3. Step 3: Cross multiply
    921,286,706.94x = 1,381,930,060.40 × 307,870,932.68
  4. Step 4: Simplify right side
    921,286,706.94x = 425,456,096,593,876,800
  5. Step 5: Solve for x
    x = 425,456,096,593,876,800/921,286,706.94
  6. Step 6: Final answer
    x = 461,806,399.02

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Double scale
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Similar ratio
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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.