Home / 625,152,021.70-937,728,032.55-319,387,260.10

Finding the Fourth Proportional to 625,152,021.70, 937,728,032.55 and 319,387,260.10

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Solution

The fourth proportional to 625,152,021.70, 937,728,032.55 and 319,387,260.10 is: 479,080,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,152,021.70 : 937,728,032.55 = 319,387,260.10 : x
  2. Step 2: Convert to fraction form
    625,152,021.70/937,728,032.55 = 319,387,260.10/x
  3. Step 3: Cross multiply
    625,152,021.70x = 937,728,032.55 × 319,387,260.10
  4. Step 4: Simplify right side
    625,152,021.70x = 299,498,387,035,108,096
  5. Step 5: Solve for x
    x = 299,498,387,035,108,096/625,152,021.70
  6. Step 6: Final answer
    x = 479,080,890.15

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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.