Home / 299,448,552.70-449,172,829.05-146,015,631.10

Finding the Fourth Proportional to 299,448,552.70, 449,172,829.05 and 146,015,631.10

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Solution

The fourth proportional to 299,448,552.70, 449,172,829.05 and 146,015,631.10 is: 219,023,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,552.70 : 449,172,829.05 = 146,015,631.10 : x
  2. Step 2: Convert to fraction form
    299,448,552.70/449,172,829.05 = 146,015,631.10/x
  3. Step 3: Cross multiply
    299,448,552.70x = 449,172,829.05 × 146,015,631.10
  4. Step 4: Simplify right side
    299,448,552.70x = 65,586,254,106,708,160
  5. Step 5: Solve for x
    x = 65,586,254,106,708,160/299,448,552.70
  6. Step 6: Final answer
    x = 219,023,446.65

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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.