Home / 876,723,334.62-1,209,419,495.19-542,088,889.98

Finding the Fourth Proportional to 876,723,334.62, 1,209,419,495.19 and 542,088,889.98

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Solution

The fourth proportional to 876,723,334.62, 1,209,419,495.19 and 542,088,889.98 is: 747,799,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,723,334.62 : 1,209,419,495.19 = 542,088,889.98 : x
  2. Step 2: Convert to fraction form
    876,723,334.62/1,209,419,495.19 = 542,088,889.98/x
  3. Step 3: Cross multiply
    876,723,334.62x = 1,209,419,495.19 × 542,088,889.98
  4. Step 4: Simplify right side
    876,723,334.62x = 655,612,871,667,719,040
  5. Step 5: Solve for x
    x = 655,612,871,667,719,040/876,723,334.62
  6. Step 6: Final answer
    x = 747,799,044.21

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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.