Home / 12,747,500,836.28-19,121,287,126.86-4,889,321,917.73

Finding the Fourth Proportional to 12,747,500,836.28, 19,121,287,126.86 and 4,889,321,917.73

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Solution

The fourth proportional to 12,747,500,836.28, 19,121,287,126.86 and 4,889,321,917.73 is: 7,333,996,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,500,836.28 : 19,121,287,126.86 = 4,889,321,917.73 : x
  2. Step 2: Convert to fraction form
    12,747,500,836.28/19,121,287,126.86 = 4,889,321,917.73/x
  3. Step 3: Cross multiply
    12,747,500,836.28x = 19,121,287,126.86 × 4,889,321,917.73
  4. Step 4: Simplify right side
    12,747,500,836.28x = 93,490,128,244,612,907,008
  5. Step 5: Solve for x
    x = 93,490,128,244,612,907,008/12,747,500,836.28
  6. Step 6: Final answer
    x = 7,333,996,635.52

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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.