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Finding the Fourth Proportional to 363,445,103.70, 545,167,655.55 and 220,117,871.70

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Solution

The fourth proportional to 363,445,103.70, 545,167,655.55 and 220,117,871.70 is: 330,176,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,445,103.70 : 545,167,655.55 = 220,117,871.70 : x
  2. Step 2: Convert to fraction form
    363,445,103.70/545,167,655.55 = 220,117,871.70/x
  3. Step 3: Cross multiply
    363,445,103.70x = 545,167,655.55 × 220,117,871.70
  4. Step 4: Simplify right side
    363,445,103.70x = 120,001,144,059,344,672
  5. Step 5: Solve for x
    x = 120,001,144,059,344,672/363,445,103.70
  6. Step 6: Final answer
    x = 330,176,807.55

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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.