Home / 434,512,963.20-651,884,918.40-188,764,147.20

Finding the Fourth Proportional to 434,512,963.20, 651,884,918.40 and 188,764,147.20

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Solution

The fourth proportional to 434,512,963.20, 651,884,918.40 and 188,764,147.20 is: 283,196,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,512,963.20 : 651,884,918.40 = 188,764,147.20 : x
  2. Step 2: Convert to fraction form
    434,512,963.20/651,884,918.40 = 188,764,147.20/x
  3. Step 3: Cross multiply
    434,512,963.20x = 651,884,918.40 × 188,764,147.20
  4. Step 4: Simplify right side
    434,512,963.20x = 123,052,500,694,317,584
  5. Step 5: Solve for x
    x = 123,052,500,694,317,584/434,512,963.20
  6. Step 6: Final answer
    x = 283,196,385.65

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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.