Home / 40,336,643,732.80-60,494,404,860.48-11,998,940,127.36

Finding the Fourth Proportional to 40,336,643,732.80, 60,494,404,860.48 and 11,998,940,127.36

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Solution

The fourth proportional to 40,336,643,732.80, 60,494,404,860.48 and 11,998,940,127.36 is: 17,995,268,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336,643,732.80 : 60,494,404,860.48 = 11,998,940,127.36 : x
  2. Step 2: Convert to fraction form
    40,336,643,732.80/60,494,404,860.48 = 11,998,940,127.36/x
  3. Step 3: Cross multiply
    40,336,643,732.80x = 60,494,404,860.48 × 11,998,940,127.36
  4. Step 4: Simplify right side
    40,336,643,732.80x = 725,868,741,961,175,400,448
  5. Step 5: Solve for x
    x = 725,868,741,961,175,400,448/40,336,643,732.80
  6. Step 6: Final answer
    x = 17,995,268,688.43

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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.