Home / 782,330,446.05-1,173,495,669.08-472,394,054.85

Finding the Fourth Proportional to 782,330,446.05, 1,173,495,669.08 and 472,394,054.85

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Solution

The fourth proportional to 782,330,446.05, 1,173,495,669.08 and 472,394,054.85 is: 708,591,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,330,446.05 : 1,173,495,669.08 = 472,394,054.85 : x
  2. Step 2: Convert to fraction form
    782,330,446.05/1,173,495,669.08 = 472,394,054.85/x
  3. Step 3: Cross multiply
    782,330,446.05x = 1,173,495,669.08 × 472,394,054.85
  4. Step 4: Simplify right side
    782,330,446.05x = 554,352,377,463,253,056
  5. Step 5: Solve for x
    x = 554,352,377,463,253,056/782,330,446.05
  6. Step 6: Final answer
    x = 708,591,082.28

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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.