Home / 741,960,002.40-1,112,940,003.60-257,334,799.20

Finding the Fourth Proportional to 741,960,002.40, 1,112,940,003.60 and 257,334,799.20

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Solution

The fourth proportional to 741,960,002.40, 1,112,940,003.60 and 257,334,799.20 is: 386,002,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,960,002.40 : 1,112,940,003.60 = 257,334,799.20 : x
  2. Step 2: Convert to fraction form
    741,960,002.40/1,112,940,003.60 = 257,334,799.20/x
  3. Step 3: Cross multiply
    741,960,002.40x = 1,112,940,003.60 × 257,334,799.20
  4. Step 4: Simplify right side
    741,960,002.40x = 286,398,192,348,053,248
  5. Step 5: Solve for x
    x = 286,398,192,348,053,248/741,960,002.40
  6. Step 6: Final answer
    x = 386,002,198.80

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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.