Home / 280,187,445.80-419,147,427.90-246,175,221.80

Finding the Fourth Proportional to 280,187,445.80, 419,147,427.90 and 246,175,221.80

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Solution

The fourth proportional to 280,187,445.80, 419,147,427.90 and 246,175,221.80 is: 368,266,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,187,445.80 : 419,147,427.90 = 246,175,221.80 : x
  2. Step 2: Convert to fraction form
    280,187,445.80/419,147,427.90 = 246,175,221.80/x
  3. Step 3: Cross multiply
    280,187,445.80x = 419,147,427.90 × 246,175,221.80
  4. Step 4: Simplify right side
    280,187,445.80x = 103,183,711,030,182,000
  5. Step 5: Solve for x
    x = 103,183,711,030,182,000/280,187,445.80
  6. Step 6: Final answer
    x = 368,266,717.79

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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.