Home / 1,761,289,723.20-2,641,924,087.20-451,189,243.20

Finding the Fourth Proportional to 1,761,289,723.20, 2,641,924,087.20 and 451,189,243.20

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Solution

The fourth proportional to 1,761,289,723.20, 2,641,924,087.20 and 451,189,243.20 is: 676,781,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,289,723.20 : 2,641,924,087.20 = 451,189,243.20 : x
  2. Step 2: Convert to fraction form
    1,761,289,723.20/2,641,924,087.20 = 451,189,243.20/x
  3. Step 3: Cross multiply
    1,761,289,723.20x = 2,641,924,087.20 × 451,189,243.20
  4. Step 4: Simplify right side
    1,761,289,723.20x = 1,192,007,729,495,618,816
  5. Step 5: Solve for x
    x = 1,192,007,729,495,618,816/1,761,289,723.20
  6. Step 6: Final answer
    x = 676,781,175.63

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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.