Home / 403,711,748.10-605,851,057.35-173,845,800.90

Finding the Fourth Proportional to 403,711,748.10, 605,851,057.35 and 173,845,800.90

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Solution

The fourth proportional to 403,711,748.10, 605,851,057.35 and 173,845,800.90 is: 260,890,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,748.10 : 605,851,057.35 = 173,845,800.90 : x
  2. Step 2: Convert to fraction form
    403,711,748.10/605,851,057.35 = 173,845,800.90/x
  3. Step 3: Cross multiply
    403,711,748.10x = 605,851,057.35 × 173,845,800.90
  4. Step 4: Simplify right side
    403,711,748.10x = 105,324,662,291,122,592
  5. Step 5: Solve for x
    x = 105,324,662,291,122,592/403,711,748.10
  6. Step 6: Final answer
    x = 260,890,753.83

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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.