Home / 962,315,629.47-1,328,595,353.01-661,419,049.68

Finding the Fourth Proportional to 962,315,629.47, 1,328,595,353.01 and 661,419,049.68

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Solution

The fourth proportional to 962,315,629.47, 1,328,595,353.01 and 661,419,049.68 is: 913,170,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,315,629.47 : 1,328,595,353.01 = 661,419,049.68 : x
  2. Step 2: Convert to fraction form
    962,315,629.47/1,328,595,353.01 = 661,419,049.68/x
  3. Step 3: Cross multiply
    962,315,629.47x = 1,328,595,353.01 × 661,419,049.68
  4. Step 4: Simplify right side
    962,315,629.47x = 878,758,275,797,138,304
  5. Step 5: Solve for x
    x = 878,758,275,797,138,304/962,315,629.47
  6. Step 6: Final answer
    x = 913,170,532.50

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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.