Home / 330,879,772.20-496,543,607.10-149,033,346.60

Finding the Fourth Proportional to 330,879,772.20, 496,543,607.10 and 149,033,346.60

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Solution

The fourth proportional to 330,879,772.20, 496,543,607.10 and 149,033,346.60 is: 223,650,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,879,772.20 : 496,543,607.10 = 149,033,346.60 : x
  2. Step 2: Convert to fraction form
    330,879,772.20/496,543,607.10 = 149,033,346.60/x
  3. Step 3: Cross multiply
    330,879,772.20x = 496,543,607.10 × 149,033,346.60
  4. Step 4: Simplify right side
    330,879,772.20x = 74,001,555,498,948,528
  5. Step 5: Solve for x
    x = 74,001,555,498,948,528/330,879,772.20
  6. Step 6: Final answer
    x = 223,650,889.89

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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.