Home / 268,604,046.40-402,906,069.60-247,440,884.80

Finding the Fourth Proportional to 268,604,046.40, 402,906,069.60 and 247,440,884.80

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Solution

The fourth proportional to 268,604,046.40, 402,906,069.60 and 247,440,884.80 is: 371,161,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,604,046.40 : 402,906,069.60 = 247,440,884.80 : x
  2. Step 2: Convert to fraction form
    268,604,046.40/402,906,069.60 = 247,440,884.80/x
  3. Step 3: Cross multiply
    268,604,046.40x = 402,906,069.60 × 247,440,884.80
  4. Step 4: Simplify right side
    268,604,046.40x = 99,695,434,353,114,400
  5. Step 5: Solve for x
    x = 99,695,434,353,114,400/268,604,046.40
  6. Step 6: Final answer
    x = 371,161,327.20

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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.