Home / 1,279,784,574.35-1,917,991,351.89-541,941,494.52

Finding the Fourth Proportional to 1,279,784,574.35, 1,917,991,351.89 and 541,941,494.52

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Solution

The fourth proportional to 1,279,784,574.35, 1,917,991,351.89 and 541,941,494.52 is: 812,198,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,784,574.35 : 1,917,991,351.89 = 541,941,494.52 : x
  2. Step 2: Convert to fraction form
    1,279,784,574.35/1,917,991,351.89 = 541,941,494.52/x
  3. Step 3: Cross multiply
    1,279,784,574.35x = 1,917,991,351.89 × 541,941,494.52
  4. Step 4: Simplify right side
    1,279,784,574.35x = 1,039,439,099,719,701,888
  5. Step 5: Solve for x
    x = 1,039,439,099,719,701,888/1,279,784,574.35
  6. Step 6: Final answer
    x = 812,198,490.71

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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.