Home / 605,720,764.80-908,581,147.20-433,728,086.40

Finding the Fourth Proportional to 605,720,764.80, 908,581,147.20 and 433,728,086.40

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Solution

The fourth proportional to 605,720,764.80, 908,581,147.20 and 433,728,086.40 is: 650,592,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,720,764.80 : 908,581,147.20 = 433,728,086.40 : x
  2. Step 2: Convert to fraction form
    605,720,764.80/908,581,147.20 = 433,728,086.40/x
  3. Step 3: Cross multiply
    605,720,764.80x = 908,581,147.20 × 433,728,086.40
  4. Step 4: Simplify right side
    605,720,764.80x = 394,077,162,314,172,736
  5. Step 5: Solve for x
    x = 394,077,162,314,172,736/605,720,764.80
  6. Step 6: Final answer
    x = 650,592,129.60

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1.5x scale

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.