Home / 951,540,677.55-1,427,379,808.10-398,286,681.69

Finding the Fourth Proportional to 951,540,677.55, 1,427,379,808.10 and 398,286,681.69

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Solution

The fourth proportional to 951,540,677.55, 1,427,379,808.10 and 398,286,681.69 is: 597,458,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,540,677.55 : 1,427,379,808.10 = 398,286,681.69 : x
  2. Step 2: Convert to fraction form
    951,540,677.55/1,427,379,808.10 = 398,286,681.69/x
  3. Step 3: Cross multiply
    951,540,677.55x = 1,427,379,808.10 × 398,286,681.69
  4. Step 4: Simplify right side
    951,540,677.55x = 568,506,367,279,457,920
  5. Step 5: Solve for x
    x = 568,506,367,279,457,920/951,540,677.55
  6. Step 6: Final answer
    x = 597,458,816.73

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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.