Home / 871,882,382.72-1,203,489,247.56-519,568,852.16

Finding the Fourth Proportional to 871,882,382.72, 1,203,489,247.56 and 519,568,852.16

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Solution

The fourth proportional to 871,882,382.72, 1,203,489,247.56 and 519,568,852.16 is: 717,178,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,882,382.72 : 1,203,489,247.56 = 519,568,852.16 : x
  2. Step 2: Convert to fraction form
    871,882,382.72/1,203,489,247.56 = 519,568,852.16/x
  3. Step 3: Cross multiply
    871,882,382.72x = 1,203,489,247.56 × 519,568,852.16
  4. Step 4: Simplify right side
    871,882,382.72x = 625,295,526,941,651,328
  5. Step 5: Solve for x
    x = 625,295,526,941,651,328/871,882,382.72
  6. Step 6: Final answer
    x = 717,178,760.96

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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.