Home / 863,812,793.70-1,296,445,887.60-809,331,725.94

Finding the Fourth Proportional to 863,812,793.70, 1,296,445,887.60 and 809,331,725.94

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Solution

The fourth proportional to 863,812,793.70, 1,296,445,887.60 and 809,331,725.94 is: 1,214,678,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,812,793.70 : 1,296,445,887.60 = 809,331,725.94 : x
  2. Step 2: Convert to fraction form
    863,812,793.70/1,296,445,887.60 = 809,331,725.94/x
  3. Step 3: Cross multiply
    863,812,793.70x = 1,296,445,887.60 × 809,331,725.94
  4. Step 4: Simplify right side
    863,812,793.70x = 1,049,254,787,799,123,200
  5. Step 5: Solve for x
    x = 1,049,254,787,799,123,200/863,812,793.70
  6. Step 6: Final answer
    x = 1,214,678,452.84

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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.