Home / 1,291,579,839.60-1,937,974,429.80-564,474,073.20

Finding the Fourth Proportional to 1,291,579,839.60, 1,937,974,429.80 and 564,474,073.20

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Solution

The fourth proportional to 1,291,579,839.60, 1,937,974,429.80 and 564,474,073.20 is: 846,975,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,579,839.60 : 1,937,974,429.80 = 564,474,073.20 : x
  2. Step 2: Convert to fraction form
    1,291,579,839.60/1,937,974,429.80 = 564,474,073.20/x
  3. Step 3: Cross multiply
    1,291,579,839.60x = 1,937,974,429.80 × 564,474,073.20
  4. Step 4: Simplify right side
    1,291,579,839.60x = 1,093,936,320,146,653,568
  5. Step 5: Solve for x
    x = 1,093,936,320,146,653,568/1,291,579,839.60
  6. Step 6: Final answer
    x = 846,975,375.90

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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.