Home / 1,118,262,115.10-1,543,206,380.03-616,459,874.92

Finding the Fourth Proportional to 1,118,262,115.10, 1,543,206,380.03 and 616,459,874.92

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Solution

The fourth proportional to 1,118,262,115.10, 1,543,206,380.03 and 616,459,874.92 is: 850,717,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,262,115.10 : 1,543,206,380.03 = 616,459,874.92 : x
  2. Step 2: Convert to fraction form
    1,118,262,115.10/1,543,206,380.03 = 616,459,874.92/x
  3. Step 3: Cross multiply
    1,118,262,115.10x = 1,543,206,380.03 × 616,459,874.92
  4. Step 4: Simplify right side
    1,118,262,115.10x = 951,324,811,998,241,408
  5. Step 5: Solve for x
    x = 951,324,811,998,241,408/1,118,262,115.10
  6. Step 6: Final answer
    x = 850,717,196.94

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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.