Home / 497,016,005.40-745,524,008.10-169,860,925.80

Finding the Fourth Proportional to 497,016,005.40, 745,524,008.10 and 169,860,925.80

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Solution

The fourth proportional to 497,016,005.40, 745,524,008.10 and 169,860,925.80 is: 254,791,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,016,005.40 : 745,524,008.10 = 169,860,925.80 : x
  2. Step 2: Convert to fraction form
    497,016,005.40/745,524,008.10 = 169,860,925.80/x
  3. Step 3: Cross multiply
    497,016,005.40x = 745,524,008.10 × 169,860,925.80
  4. Step 4: Simplify right side
    497,016,005.40x = 126,635,398,221,992,704
  5. Step 5: Solve for x
    x = 126,635,398,221,992,704/497,016,005.40
  6. Step 6: Final answer
    x = 254,791,388.70

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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.