Home / 1,141,314,107.80-1,711,431,490.46-442,133,720.78

Finding the Fourth Proportional to 1,141,314,107.80, 1,711,431,490.46 and 442,133,720.78

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Solution

The fourth proportional to 1,141,314,107.80, 1,711,431,490.46 and 442,133,720.78 is: 662,991,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,314,107.80 : 1,711,431,490.46 = 442,133,720.78 : x
  2. Step 2: Convert to fraction form
    1,141,314,107.80/1,711,431,490.46 = 442,133,720.78/x
  3. Step 3: Cross multiply
    1,141,314,107.80x = 1,711,431,490.46 × 442,133,720.78
  4. Step 4: Simplify right side
    1,141,314,107.80x = 756,681,572,737,140,864
  5. Step 5: Solve for x
    x = 756,681,572,737,140,864/1,141,314,107.80
  6. Step 6: Final answer
    x = 662,991,517.91

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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.