Home / 332,172,912.30-498,259,368.45-315,544,713.90

Finding the Fourth Proportional to 332,172,912.30, 498,259,368.45 and 315,544,713.90

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Solution

The fourth proportional to 332,172,912.30, 498,259,368.45 and 315,544,713.90 is: 473,317,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,172,912.30 : 498,259,368.45 = 315,544,713.90 : x
  2. Step 2: Convert to fraction form
    332,172,912.30/498,259,368.45 = 315,544,713.90/x
  3. Step 3: Cross multiply
    332,172,912.30x = 498,259,368.45 × 315,544,713.90
  4. Step 4: Simplify right side
    332,172,912.30x = 157,223,109,865,549,920
  5. Step 5: Solve for x
    x = 157,223,109,865,549,920/332,172,912.30
  6. Step 6: Final answer
    x = 473,317,070.85

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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.