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Finding the Fourth Proportional to 449,783,646.08, 674,690,404.17 and 154,675,870.88

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Solution

The fourth proportional to 449,783,646.08, 674,690,404.17 and 154,675,870.88 is: 232,018,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,783,646.08 : 674,690,404.17 = 154,675,870.88 : x
  2. Step 2: Convert to fraction form
    449,783,646.08/674,690,404.17 = 154,675,870.88/x
  3. Step 3: Cross multiply
    449,783,646.08x = 674,690,404.17 × 154,675,870.88
  4. Step 4: Simplify right side
    449,783,646.08x = 104,358,325,839,373,920
  5. Step 5: Solve for x
    x = 104,358,325,839,373,920/449,783,646.08
  6. Step 6: Final answer
    x = 232,018,942.33

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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.