Home / 433,575,465.80-650,147,997.90-157,215,648.20

Finding the Fourth Proportional to 433,575,465.80, 650,147,997.90 and 157,215,648.20

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Solution

The fourth proportional to 433,575,465.80, 650,147,997.90 and 157,215,648.20 is: 235,745,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,575,465.80 : 650,147,997.90 = 157,215,648.20 : x
  2. Step 2: Convert to fraction form
    433,575,465.80/650,147,997.90 = 157,215,648.20/x
  3. Step 3: Cross multiply
    433,575,465.80x = 650,147,997.90 × 157,215,648.20
  4. Step 4: Simplify right side
    433,575,465.80x = 102,213,438,915,780,720
  5. Step 5: Solve for x
    x = 102,213,438,915,780,720/433,575,465.80
  6. Step 6: Final answer
    x = 235,745,439.90

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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.