Home / 352,038,178.10-528,057,267.15-321,780,206.90

Finding the Fourth Proportional to 352,038,178.10, 528,057,267.15 and 321,780,206.90

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Solution

The fourth proportional to 352,038,178.10, 528,057,267.15 and 321,780,206.90 is: 482,670,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038,178.10 : 528,057,267.15 = 321,780,206.90 : x
  2. Step 2: Convert to fraction form
    352,038,178.10/528,057,267.15 = 321,780,206.90/x
  3. Step 3: Cross multiply
    352,038,178.10x = 528,057,267.15 × 321,780,206.90
  4. Step 4: Simplify right side
    352,038,178.10x = 169,918,376,678,575,552
  5. Step 5: Solve for x
    x = 169,918,376,678,575,552/352,038,178.10
  6. Step 6: Final answer
    x = 482,670,310.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.