Home / 19,387,113,956.60-29,039,945,858.24-12,300,949,315.58

Finding the Fourth Proportional to 19,387,113,956.60, 29,039,945,858.24 and 12,300,949,315.58

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Solution

The fourth proportional to 19,387,113,956.60, 29,039,945,858.24 and 12,300,949,315.58 is: 18,425,584,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,113,956.60 : 29,039,945,858.24 = 12,300,949,315.58 : x
  2. Step 2: Convert to fraction form
    19,387,113,956.60/29,039,945,858.24 = 12,300,949,315.58/x
  3. Step 3: Cross multiply
    19,387,113,956.60x = 29,039,945,858.24 × 12,300,949,315.58
  4. Step 4: Simplify right side
    19,387,113,956.60x = 357,218,902,129,203,216,384
  5. Step 5: Solve for x
    x = 357,218,902,129,203,216,384/19,387,113,956.60
  6. Step 6: Final answer
    x = 18,425,584,278.76

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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.