Home / 678,928,592.54-1,022,929,648.16-613,425,864.88

Finding the Fourth Proportional to 678,928,592.54, 1,022,929,648.16 and 613,425,864.88

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Solution

The fourth proportional to 678,928,592.54, 1,022,929,648.16 and 613,425,864.88 is: 924,237,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,928,592.54 : 1,022,929,648.16 = 613,425,864.88 : x
  2. Step 2: Convert to fraction form
    678,928,592.54/1,022,929,648.16 = 613,425,864.88/x
  3. Step 3: Cross multiply
    678,928,592.54x = 1,022,929,648.16 × 613,425,864.88
  4. Step 4: Simplify right side
    678,928,592.54x = 627,491,504,133,942,016
  5. Step 5: Solve for x
    x = 627,491,504,133,942,016/678,928,592.54
  6. Step 6: Final answer
    x = 924,237,852.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.