Home / 345,308,511.20-517,962,766.80-329,383,263.20

Finding the Fourth Proportional to 345,308,511.20, 517,962,766.80 and 329,383,263.20

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Solution

The fourth proportional to 345,308,511.20, 517,962,766.80 and 329,383,263.20 is: 494,074,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,308,511.20 : 517,962,766.80 = 329,383,263.20 : x
  2. Step 2: Convert to fraction form
    345,308,511.20/517,962,766.80 = 329,383,263.20/x
  3. Step 3: Cross multiply
    345,308,511.20x = 517,962,766.80 × 329,383,263.20
  4. Step 4: Simplify right side
    345,308,511.20x = 170,608,266,344,684,608
  5. Step 5: Solve for x
    x = 170,608,266,344,684,608/345,308,511.20
  6. Step 6: Final answer
    x = 494,074,894.80

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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.