Home / 28,334,598,874.25-39,101,761,290.31-15,474,414,889.13

Finding the Fourth Proportional to 28,334,598,874.25, 39,101,761,290.31 and 15,474,414,889.13

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Solution

The fourth proportional to 28,334,598,874.25, 39,101,761,290.31 and 15,474,414,889.13 is: 21,354,700,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334,598,874.25 : 39,101,761,290.31 = 15,474,414,889.13 : x
  2. Step 2: Convert to fraction form
    28,334,598,874.25/39,101,761,290.31 = 15,474,414,889.13/x
  3. Step 3: Cross multiply
    28,334,598,874.25x = 39,101,761,290.31 × 15,474,414,889.13
  4. Step 4: Simplify right side
    28,334,598,874.25x = 605,076,877,101,753,696,256
  5. Step 5: Solve for x
    x = 605,076,877,101,753,696,256/28,334,598,874.25
  6. Step 6: Final answer
    x = 21,354,700,653.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.