Home / 279,940,666.60-419,910,999.90-177,820,013.80

Finding the Fourth Proportional to 279,940,666.60, 419,910,999.90 and 177,820,013.80

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Solution

The fourth proportional to 279,940,666.60, 419,910,999.90 and 177,820,013.80 is: 266,730,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,940,666.60 : 419,910,999.90 = 177,820,013.80 : x
  2. Step 2: Convert to fraction form
    279,940,666.60/419,910,999.90 = 177,820,013.80/x
  3. Step 3: Cross multiply
    279,940,666.60x = 419,910,999.90 × 177,820,013.80
  4. Step 4: Simplify right side
    279,940,666.60x = 74,668,579,796,989,792
  5. Step 5: Solve for x
    x = 74,668,579,796,989,792/279,940,666.60
  6. Step 6: Final answer
    x = 266,730,020.70

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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.