Home / 352,039,680.60-528,059,520.90-321,781,709.40

Finding the Fourth Proportional to 352,039,680.60, 528,059,520.90 and 321,781,709.40

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Solution

The fourth proportional to 352,039,680.60, 528,059,520.90 and 321,781,709.40 is: 482,672,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,039,680.60 : 528,059,520.90 = 321,781,709.40 : x
  2. Step 2: Convert to fraction form
    352,039,680.60/528,059,520.90 = 321,781,709.40/x
  3. Step 3: Cross multiply
    352,039,680.60x = 528,059,520.90 × 321,781,709.40
  4. Step 4: Simplify right side
    352,039,680.60x = 169,919,895,300,147,008
  5. Step 5: Solve for x
    x = 169,919,895,300,147,008/352,039,680.60
  6. Step 6: Final answer
    x = 482,672,564.10

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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.