Home / 19,387,113,974.66-29,039,945,885.21-12,300,949,333.64

Finding the Fourth Proportional to 19,387,113,974.66, 29,039,945,885.21 and 12,300,949,333.64

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Solution

The fourth proportional to 19,387,113,974.66, 29,039,945,885.21 and 12,300,949,333.64 is: 18,425,584,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,113,974.66 : 29,039,945,885.21 = 12,300,949,333.64 : x
  2. Step 2: Convert to fraction form
    19,387,113,974.66/29,039,945,885.21 = 12,300,949,333.64/x
  3. Step 3: Cross multiply
    19,387,113,974.66x = 29,039,945,885.21 × 12,300,949,333.64
  4. Step 4: Simplify right side
    19,387,113,974.66x = 357,218,902,985,615,605,760
  5. Step 5: Solve for x
    x = 357,218,902,985,615,605,760/19,387,113,974.66
  6. Step 6: Final answer
    x = 18,425,584,305.77

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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.