Home / 527,465,743.32-791,189,157.42-216,505,836.12

Finding the Fourth Proportional to 527,465,743.32, 791,189,157.42 and 216,505,836.12

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Solution

The fourth proportional to 527,465,743.32, 791,189,157.42 and 216,505,836.12 is: 324,754,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,465,743.32 : 791,189,157.42 = 216,505,836.12 : x
  2. Step 2: Convert to fraction form
    527,465,743.32/791,189,157.42 = 216,505,836.12/x
  3. Step 3: Cross multiply
    527,465,743.32x = 791,189,157.42 × 216,505,836.12
  4. Step 4: Simplify right side
    527,465,743.32x = 171,297,070,056,295,392
  5. Step 5: Solve for x
    x = 171,297,070,056,295,392/527,465,743.32
  6. Step 6: Final answer
    x = 324,754,872.19

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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.