Home / 871,466,248.20-1,202,086,102.86-532,215,571.44

Finding the Fourth Proportional to 871,466,248.20, 1,202,086,102.86 and 532,215,571.44

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Solution

The fourth proportional to 871,466,248.20, 1,202,086,102.86 and 532,215,571.44 is: 734,129,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,466,248.20 : 1,202,086,102.86 = 532,215,571.44 : x
  2. Step 2: Convert to fraction form
    871,466,248.20/1,202,086,102.86 = 532,215,571.44/x
  3. Step 3: Cross multiply
    871,466,248.20x = 1,202,086,102.86 × 532,215,571.44
  4. Step 4: Simplify right side
    871,466,248.20x = 639,768,942,153,717,504
  5. Step 5: Solve for x
    x = 639,768,942,153,717,504/871,466,248.20
  6. Step 6: Final answer
    x = 734,129,340.61

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Double scale
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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.