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Finding the Fourth Proportional to 367,415,999.70, 551,123,999.55 and 149,170,895.70

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Solution

The fourth proportional to 367,415,999.70, 551,123,999.55 and 149,170,895.70 is: 223,756,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415,999.70 : 551,123,999.55 = 149,170,895.70 : x
  2. Step 2: Convert to fraction form
    367,415,999.70/551,123,999.55 = 149,170,895.70/x
  3. Step 3: Cross multiply
    367,415,999.70x = 551,123,999.55 × 149,170,895.70
  4. Step 4: Simplify right side
    367,415,999.70x = 82,211,660,654,639,888
  5. Step 5: Solve for x
    x = 82,211,660,654,639,888/367,415,999.70
  6. Step 6: Final answer
    x = 223,756,343.55

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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.