Home / 440,338,328.60-660,932,645.70-268,151,444.60

Finding the Fourth Proportional to 440,338,328.60, 660,932,645.70 and 268,151,444.60

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Solution

The fourth proportional to 440,338,328.60, 660,932,645.70 and 268,151,444.60 is: 402,486,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,338,328.60 : 660,932,645.70 = 268,151,444.60 : x
  2. Step 2: Convert to fraction form
    440,338,328.60/660,932,645.70 = 268,151,444.60/x
  3. Step 3: Cross multiply
    440,338,328.60x = 660,932,645.70 × 268,151,444.60
  4. Step 4: Simplify right side
    440,338,328.60x = 177,230,043,727,754,976
  5. Step 5: Solve for x
    x = 177,230,043,727,754,976/440,338,328.60
  6. Step 6: Final answer
    x = 402,486,070.86

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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.