Home / 993,921,375.18-1,371,600,321.77-541,789,434.57

Finding the Fourth Proportional to 993,921,375.18, 1,371,600,321.77 and 541,789,434.57

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Solution

The fourth proportional to 993,921,375.18, 1,371,600,321.77 and 541,789,434.57 is: 747,663,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,921,375.18 : 1,371,600,321.77 = 541,789,434.57 : x
  2. Step 2: Convert to fraction form
    993,921,375.18/1,371,600,321.77 = 541,789,434.57/x
  3. Step 3: Cross multiply
    993,921,375.18x = 1,371,600,321.77 × 541,789,434.57
  4. Step 4: Simplify right side
    993,921,375.18x = 743,118,562,787,798,400
  5. Step 5: Solve for x
    x = 743,118,562,787,798,400/993,921,375.18
  6. Step 6: Final answer
    x = 747,663,327.65

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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.