Home / 629,498,387.22-868,708,611.14-347,234,460.90

Finding the Fourth Proportional to 629,498,387.22, 868,708,611.14 and 347,234,460.90

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Solution

The fourth proportional to 629,498,387.22, 868,708,611.14 and 347,234,460.90 is: 479,184,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,498,387.22 : 868,708,611.14 = 347,234,460.90 : x
  2. Step 2: Convert to fraction form
    629,498,387.22/868,708,611.14 = 347,234,460.90/x
  3. Step 3: Cross multiply
    629,498,387.22x = 868,708,611.14 × 347,234,460.90
  4. Step 4: Simplify right side
    629,498,387.22x = 301,645,566,266,649,408
  5. Step 5: Solve for x
    x = 301,645,566,266,649,408/629,498,387.22
  6. Step 6: Final answer
    x = 479,184,017.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.