Home / 433,575,457.30-650,147,985.15-157,215,639.70

Finding the Fourth Proportional to 433,575,457.30, 650,147,985.15 and 157,215,639.70

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Solution

The fourth proportional to 433,575,457.30, 650,147,985.15 and 157,215,639.70 is: 235,745,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,575,457.30 : 650,147,985.15 = 157,215,639.70 : x
  2. Step 2: Convert to fraction form
    433,575,457.30/650,147,985.15 = 157,215,639.70/x
  3. Step 3: Cross multiply
    433,575,457.30x = 650,147,985.15 × 157,215,639.70
  4. Step 4: Simplify right side
    433,575,457.30x = 102,213,431,385,023,344
  5. Step 5: Solve for x
    x = 102,213,431,385,023,344/433,575,457.30
  6. Step 6: Final answer
    x = 235,745,427.15

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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.