Home / 403,711,786.60-605,851,115.10-173,845,839.40

Finding the Fourth Proportional to 403,711,786.60, 605,851,115.10 and 173,845,839.40

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Solution

The fourth proportional to 403,711,786.60, 605,851,115.10 and 173,845,839.40 is: 260,890,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,786.60 : 605,851,115.10 = 173,845,839.40 : x
  2. Step 2: Convert to fraction form
    403,711,786.60/605,851,115.10 = 173,845,839.40/x
  3. Step 3: Cross multiply
    403,711,786.60x = 605,851,115.10 × 173,845,839.40
  4. Step 4: Simplify right side
    403,711,786.60x = 105,324,695,655,985,520
  5. Step 5: Solve for x
    x = 105,324,695,655,985,520/403,711,786.60
  6. Step 6: Final answer
    x = 260,890,811.59

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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.