Home / 408,490,064.20-612,363,087.60-149,642,867.80

Finding the Fourth Proportional to 408,490,064.20, 612,363,087.60 and 149,642,867.80

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Solution

The fourth proportional to 408,490,064.20, 612,363,087.60 and 149,642,867.80 is: 224,328,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,490,064.20 : 612,363,087.60 = 149,642,867.80 : x
  2. Step 2: Convert to fraction form
    408,490,064.20/612,363,087.60 = 149,642,867.80/x
  3. Step 3: Cross multiply
    408,490,064.20x = 612,363,087.60 × 149,642,867.80
  4. Step 4: Simplify right side
    408,490,064.20x = 91,635,768,563,326,624
  5. Step 5: Solve for x
    x = 91,635,768,563,326,624/408,490,064.20
  6. Step 6: Final answer
    x = 224,328,023.11

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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.