Home / 762,561,744.29-1,052,250,998.78-427,957,519.13

Finding the Fourth Proportional to 762,561,744.29, 1,052,250,998.78 and 427,957,519.13

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Solution

The fourth proportional to 762,561,744.29, 1,052,250,998.78 and 427,957,519.13 is: 590,534,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,561,744.29 : 1,052,250,998.78 = 427,957,519.13 : x
  2. Step 2: Convert to fraction form
    762,561,744.29/1,052,250,998.78 = 427,957,519.13/x
  3. Step 3: Cross multiply
    762,561,744.29x = 1,052,250,998.78 × 427,957,519.13
  4. Step 4: Simplify right side
    762,561,744.29x = 450,318,726,937,813,632
  5. Step 5: Solve for x
    x = 450,318,726,937,813,632/762,561,744.29
  6. Step 6: Final answer
    x = 590,534,117.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.