Home / 625,152,032.70-937,728,049.05-319,387,271.10

Finding the Fourth Proportional to 625,152,032.70, 937,728,049.05 and 319,387,271.10

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Solution

The fourth proportional to 625,152,032.70, 937,728,049.05 and 319,387,271.10 is: 479,080,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,152,032.70 : 937,728,049.05 = 319,387,271.10 : x
  2. Step 2: Convert to fraction form
    625,152,032.70/937,728,049.05 = 319,387,271.10/x
  3. Step 3: Cross multiply
    625,152,032.70x = 937,728,049.05 × 319,387,271.10
  4. Step 4: Simplify right side
    625,152,032.70x = 299,498,402,620,006,464
  5. Step 5: Solve for x
    x = 299,498,402,620,006,464/625,152,032.70
  6. Step 6: Final answer
    x = 479,080,906.65

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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.