Home / 492,864,320.28-680,125,816.20-269,802,850.42

Finding the Fourth Proportional to 492,864,320.28, 680,125,816.20 and 269,802,850.42

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Solution

The fourth proportional to 492,864,320.28, 680,125,816.20 and 269,802,850.42 is: 372,313,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,864,320.28 : 680,125,816.20 = 269,802,850.42 : x
  2. Step 2: Convert to fraction form
    492,864,320.28/680,125,816.20 = 269,802,850.42/x
  3. Step 3: Cross multiply
    492,864,320.28x = 680,125,816.20 × 269,802,850.42
  4. Step 4: Simplify right side
    492,864,320.28x = 183,499,883,854,989,024
  5. Step 5: Solve for x
    x = 183,499,883,854,989,024/492,864,320.28
  6. Step 6: Final answer
    x = 372,313,182.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.