Home / 1,295,239,612.40-1,942,187,572.20-476,930,697.20

Finding the Fourth Proportional to 1,295,239,612.40, 1,942,187,572.20 and 476,930,697.20

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Solution

The fourth proportional to 1,295,239,612.40, 1,942,187,572.20 and 476,930,697.20 is: 715,148,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,239,612.40 : 1,942,187,572.20 = 476,930,697.20 : x
  2. Step 2: Convert to fraction form
    1,295,239,612.40/1,942,187,572.20 = 476,930,697.20/x
  3. Step 3: Cross multiply
    1,295,239,612.40x = 1,942,187,572.20 × 476,930,697.20
  4. Step 4: Simplify right side
    1,295,239,612.40x = 926,288,872,902,521,344
  5. Step 5: Solve for x
    x = 926,288,872,902,521,344/1,295,239,612.40
  6. Step 6: Final answer
    x = 715,148,659.78

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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.