Home / 988,951,112.44-1,482,298,267.82-398,363,447.23

Finding the Fourth Proportional to 988,951,112.44, 1,482,298,267.82 and 398,363,447.23

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Solution

The fourth proportional to 988,951,112.44, 1,482,298,267.82 and 398,363,447.23 is: 597,090,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,951,112.44 : 1,482,298,267.82 = 398,363,447.23 : x
  2. Step 2: Convert to fraction form
    988,951,112.44/1,482,298,267.82 = 398,363,447.23/x
  3. Step 3: Cross multiply
    988,951,112.44x = 1,482,298,267.82 × 398,363,447.23
  4. Step 4: Simplify right side
    988,951,112.44x = 590,493,447,786,135,424
  5. Step 5: Solve for x
    x = 590,493,447,786,135,424/988,951,112.44
  6. Step 6: Final answer
    x = 597,090,635.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.