Home / 985,794,401.64-1,360,396,604.28-539,785,974.72

Finding the Fourth Proportional to 985,794,401.64, 1,360,396,604.28 and 539,785,974.72

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Solution

The fourth proportional to 985,794,401.64, 1,360,396,604.28 and 539,785,974.72 is: 744,904,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,794,401.64 : 1,360,396,604.28 = 539,785,974.72 : x
  2. Step 2: Convert to fraction form
    985,794,401.64/1,360,396,604.28 = 539,785,974.72/x
  3. Step 3: Cross multiply
    985,794,401.64x = 1,360,396,604.28 × 539,785,974.72
  4. Step 4: Simplify right side
    985,794,401.64x = 734,323,007,047,057,920
  5. Step 5: Solve for x
    x = 734,323,007,047,057,920/985,794,401.64
  6. Step 6: Final answer
    x = 744,904,825.82

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1.5x scale

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.