Home / 303,142,765.80-454,714,148.70-272,531,764.20

Finding the Fourth Proportional to 303,142,765.80, 454,714,148.70 and 272,531,764.20

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Solution

The fourth proportional to 303,142,765.80, 454,714,148.70 and 272,531,764.20 is: 408,797,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,142,765.80 : 454,714,148.70 = 272,531,764.20 : x
  2. Step 2: Convert to fraction form
    303,142,765.80/454,714,148.70 = 272,531,764.20/x
  3. Step 3: Cross multiply
    303,142,765.80x = 454,714,148.70 × 272,531,764.20
  4. Step 4: Simplify right side
    303,142,765.80x = 123,924,049,151,912,128
  5. Step 5: Solve for x
    x = 123,924,049,151,912,128/303,142,765.80
  6. Step 6: Final answer
    x = 408,797,646.30

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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.