Home / 878,165,219.80-1,317,247,829.70-231,932,963.80

Finding the Fourth Proportional to 878,165,219.80, 1,317,247,829.70 and 231,932,963.80

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Solution

The fourth proportional to 878,165,219.80, 1,317,247,829.70 and 231,932,963.80 is: 347,899,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,165,219.80 : 1,317,247,829.70 = 231,932,963.80 : x
  2. Step 2: Convert to fraction form
    878,165,219.80/1,317,247,829.70 = 231,932,963.80/x
  3. Step 3: Cross multiply
    878,165,219.80x = 1,317,247,829.70 × 231,932,963.80
  4. Step 4: Simplify right side
    878,165,219.80x = 305,513,193,201,438,720
  5. Step 5: Solve for x
    x = 305,513,193,201,438,720/878,165,219.80
  6. Step 6: Final answer
    x = 347,899,445.70

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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.