Home / 878,165,281.80-1,317,247,922.70-231,933,025.80

Finding the Fourth Proportional to 878,165,281.80, 1,317,247,922.70 and 231,933,025.80

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Solution

The fourth proportional to 878,165,281.80, 1,317,247,922.70 and 231,933,025.80 is: 347,899,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,165,281.80 : 1,317,247,922.70 = 231,933,025.80 : x
  2. Step 2: Convert to fraction form
    878,165,281.80/1,317,247,922.70 = 231,933,025.80/x
  3. Step 3: Cross multiply
    878,165,281.80x = 1,317,247,922.70 × 231,933,025.80
  4. Step 4: Simplify right side
    878,165,281.80x = 305,513,296,440,575,552
  5. Step 5: Solve for x
    x = 305,513,296,440,575,552/878,165,281.80
  6. Step 6: Final answer
    x = 347,899,538.70

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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.