Home / 921,286,690.06-1,381,930,035.12-307,870,915.82

Finding the Fourth Proportional to 921,286,690.06, 1,381,930,035.12 and 307,870,915.82

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Solution

The fourth proportional to 921,286,690.06, 1,381,930,035.12 and 307,870,915.82 is: 461,806,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,286,690.06 : 1,381,930,035.12 = 307,870,915.82 : x
  2. Step 2: Convert to fraction form
    921,286,690.06/1,381,930,035.12 = 307,870,915.82/x
  3. Step 3: Cross multiply
    921,286,690.06x = 1,381,930,035.12 × 307,870,915.82
  4. Step 4: Simplify right side
    921,286,690.06x = 425,456,065,511,559,104
  5. Step 5: Solve for x
    x = 425,456,065,511,559,104/921,286,690.06
  6. Step 6: Final answer
    x = 461,806,373.74

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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.