Home / 403,711,778.60-605,851,103.10-173,845,831.40

Finding the Fourth Proportional to 403,711,778.60, 605,851,103.10 and 173,845,831.40

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Solution

The fourth proportional to 403,711,778.60, 605,851,103.10 and 173,845,831.40 is: 260,890,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,778.60 : 605,851,103.10 = 173,845,831.40 : x
  2. Step 2: Convert to fraction form
    403,711,778.60/605,851,103.10 = 173,845,831.40/x
  3. Step 3: Cross multiply
    403,711,778.60x = 605,851,103.10 × 173,845,831.40
  4. Step 4: Simplify right side
    403,711,778.60x = 105,324,688,723,026,624
  5. Step 5: Solve for x
    x = 105,324,688,723,026,624/403,711,778.60
  6. Step 6: Final answer
    x = 260,890,799.59

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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.