Home / 797,017,443.26-1,195,871,453.85-428,122,003.46

Finding the Fourth Proportional to 797,017,443.26, 1,195,871,453.85 and 428,122,003.46

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Solution

The fourth proportional to 797,017,443.26, 1,195,871,453.85 and 428,122,003.46 is: 642,368,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,017,443.26 : 1,195,871,453.85 = 428,122,003.46 : x
  2. Step 2: Convert to fraction form
    797,017,443.26/1,195,871,453.85 = 428,122,003.46/x
  3. Step 3: Cross multiply
    797,017,443.26x = 1,195,871,453.85 × 428,122,003.46
  4. Step 4: Simplify right side
    797,017,443.26x = 511,978,882,702,884,864
  5. Step 5: Solve for x
    x = 511,978,882,702,884,864/797,017,443.26
  6. Step 6: Final answer
    x = 642,368,478.92

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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.