Home / 1,737,948,007.20-2,609,945,319.60-921,654,631.20

Finding the Fourth Proportional to 1,737,948,007.20, 2,609,945,319.60 and 921,654,631.20

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Solution

The fourth proportional to 1,737,948,007.20, 2,609,945,319.60 and 921,654,631.20 is: 1,384,085,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737,948,007.20 : 2,609,945,319.60 = 921,654,631.20 : x
  2. Step 2: Convert to fraction form
    1,737,948,007.20/2,609,945,319.60 = 921,654,631.20/x
  3. Step 3: Cross multiply
    1,737,948,007.20x = 2,609,945,319.60 × 921,654,631.20
  4. Step 4: Simplify right side
    1,737,948,007.20x = 2,405,468,190,988,104,192
  5. Step 5: Solve for x
    x = 2,405,468,190,988,104,192/1,737,948,007.20
  6. Step 6: Final answer
    x = 1,384,085,243.65

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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.