Home / 1,587,057,203.64-2,380,541,799.06-422,535,685.56

Finding the Fourth Proportional to 1,587,057,203.64, 2,380,541,799.06 and 422,535,685.56

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Solution

The fourth proportional to 1,587,057,203.64, 2,380,541,799.06 and 422,535,685.56 is: 633,791,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,057,203.64 : 2,380,541,799.06 = 422,535,685.56 : x
  2. Step 2: Convert to fraction form
    1,587,057,203.64/2,380,541,799.06 = 422,535,685.56/x
  3. Step 3: Cross multiply
    1,587,057,203.64x = 2,380,541,799.06 × 422,535,685.56
  4. Step 4: Simplify right side
    1,587,057,203.64x = 1,005,863,861,070,052,864
  5. Step 5: Solve for x
    x = 1,005,863,861,070,052,864/1,587,057,203.64
  6. Step 6: Final answer
    x = 633,791,812.14

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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.