Home / 279,937,358.10-419,906,037.15-177,816,705.30

Finding the Fourth Proportional to 279,937,358.10, 419,906,037.15 and 177,816,705.30

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Solution

The fourth proportional to 279,937,358.10, 419,906,037.15 and 177,816,705.30 is: 266,725,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,358.10 : 419,906,037.15 = 177,816,705.30 : x
  2. Step 2: Convert to fraction form
    279,937,358.10/419,906,037.15 = 177,816,705.30/x
  3. Step 3: Cross multiply
    279,937,358.10x = 419,906,037.15 × 177,816,705.30
  4. Step 4: Simplify right side
    279,937,358.10x = 74,666,308,061,592,400
  5. Step 5: Solve for x
    x = 74,666,308,061,592,400/279,937,358.10
  6. Step 6: Final answer
    x = 266,725,057.95

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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.