Home / 1,253,117,441.28-1,727,113,105.92-917,877,742.08

Finding the Fourth Proportional to 1,253,117,441.28, 1,727,113,105.92 and 917,877,742.08

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Solution

The fourth proportional to 1,253,117,441.28, 1,727,113,105.92 and 917,877,742.08 is: 1,265,067,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,117,441.28 : 1,727,113,105.92 = 917,877,742.08 : x
  2. Step 2: Convert to fraction form
    1,253,117,441.28/1,727,113,105.92 = 917,877,742.08/x
  3. Step 3: Cross multiply
    1,253,117,441.28x = 1,727,113,105.92 × 917,877,742.08
  4. Step 4: Simplify right side
    1,253,117,441.28x = 1,585,278,677,978,625,536
  5. Step 5: Solve for x
    x = 1,585,278,677,978,625,536/1,253,117,441.28
  6. Step 6: Final answer
    x = 1,265,067,922.41

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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.