Home / 1,026,079,195.88-1,415,951,355.34-556,170,427.72

Finding the Fourth Proportional to 1,026,079,195.88, 1,415,951,355.34 and 556,170,427.72

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Solution

The fourth proportional to 1,026,079,195.88, 1,415,951,355.34 and 556,170,427.72 is: 767,494,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079,195.88 : 1,415,951,355.34 = 556,170,427.72 : x
  2. Step 2: Convert to fraction form
    1,026,079,195.88/1,415,951,355.34 = 556,170,427.72/x
  3. Step 3: Cross multiply
    1,026,079,195.88x = 1,415,951,355.34 × 556,170,427.72
  4. Step 4: Simplify right side
    1,026,079,195.88x = 787,510,270,930,161,536
  5. Step 5: Solve for x
    x = 787,510,270,930,161,536/1,026,079,195.88
  6. Step 6: Final answer
    x = 767,494,628.18

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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.