Home / 480,654,562.80-720,981,844.20-319,096,498.80

Finding the Fourth Proportional to 480,654,562.80, 720,981,844.20 and 319,096,498.80

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Solution

The fourth proportional to 480,654,562.80, 720,981,844.20 and 319,096,498.80 is: 478,644,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,654,562.80 : 720,981,844.20 = 319,096,498.80 : x
  2. Step 2: Convert to fraction form
    480,654,562.80/720,981,844.20 = 319,096,498.80/x
  3. Step 3: Cross multiply
    480,654,562.80x = 720,981,844.20 × 319,096,498.80
  4. Step 4: Simplify right side
    480,654,562.80x = 230,062,782,182,587,104
  5. Step 5: Solve for x
    x = 230,062,782,182,587,104/480,654,562.80
  6. Step 6: Final answer
    x = 478,644,748.20

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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.