Home / 1,026,079,187.82-1,415,951,344.22-556,170,419.70

Finding the Fourth Proportional to 1,026,079,187.82, 1,415,951,344.22 and 556,170,419.70

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Solution

The fourth proportional to 1,026,079,187.82, 1,415,951,344.22 and 556,170,419.70 is: 767,494,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079,187.82 : 1,415,951,344.22 = 556,170,419.70 : x
  2. Step 2: Convert to fraction form
    1,026,079,187.82/1,415,951,344.22 = 556,170,419.70/x
  3. Step 3: Cross multiply
    1,026,079,187.82x = 1,415,951,344.22 × 556,170,419.70
  4. Step 4: Simplify right side
    1,026,079,187.82x = 787,510,253,389,616,640
  5. Step 5: Solve for x
    x = 787,510,253,389,616,640/1,026,079,187.82
  6. Step 6: Final answer
    x = 767,494,617.12

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Double scale
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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.