Home / 646,380,278.20-907,228,214.60-646,380,278.20

Finding the Fourth Proportional to 646,380,278.20, 907,228,214.60 and 646,380,278.20

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Solution

The fourth proportional to 646,380,278.20, 907,228,214.60 and 646,380,278.20 is: 907,228,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,380,278.20 : 907,228,214.60 = 646,380,278.20 : x
  2. Step 2: Convert to fraction form
    646,380,278.20/907,228,214.60 = 646,380,278.20/x
  3. Step 3: Cross multiply
    646,380,278.20x = 907,228,214.60 × 646,380,278.20
  4. Step 4: Simplify right side
    646,380,278.20x = 586,414,425,744,037,376
  5. Step 5: Solve for x
    x = 586,414,425,744,037,376/646,380,278.20
  6. Step 6: Final answer
    x = 907,228,214.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.