Home / 851,796,143.10-1,277,694,214.65-560,991,627.90

Finding the Fourth Proportional to 851,796,143.10, 1,277,694,214.65 and 560,991,627.90

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Solution

The fourth proportional to 851,796,143.10, 1,277,694,214.65 and 560,991,627.90 is: 841,487,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,796,143.10 : 1,277,694,214.65 = 560,991,627.90 : x
  2. Step 2: Convert to fraction form
    851,796,143.10/1,277,694,214.65 = 560,991,627.90/x
  3. Step 3: Cross multiply
    851,796,143.10x = 1,277,694,214.65 × 560,991,627.90
  4. Step 4: Simplify right side
    851,796,143.10x = 716,775,757,434,915,584
  5. Step 5: Solve for x
    x = 716,775,757,434,915,584/851,796,143.10
  6. Step 6: Final answer
    x = 841,487,441.85

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Double scale
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Similar ratio
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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.