Home / 19,387,114,028.75-29,039,945,966.61-12,300,949,387.73

Finding the Fourth Proportional to 19,387,114,028.75, 29,039,945,966.61 and 12,300,949,387.73

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Solution

The fourth proportional to 19,387,114,028.75, 29,039,945,966.61 and 12,300,949,387.73 is: 18,425,584,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,114,028.75 : 29,039,945,966.61 = 12,300,949,387.73 : x
  2. Step 2: Convert to fraction form
    19,387,114,028.75/29,039,945,966.61 = 12,300,949,387.73/x
  3. Step 3: Cross multiply
    19,387,114,028.75x = 29,039,945,966.61 × 12,300,949,387.73
  4. Step 4: Simplify right side
    19,387,114,028.75x = 357,218,905,557,538,373,632
  5. Step 5: Solve for x
    x = 357,218,905,557,538,373,632/19,387,114,028.75
  6. Step 6: Final answer
    x = 18,425,584,387.03

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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.