Home / 278,291,273.60-417,436,910.40-252,761,110.40

Finding the Fourth Proportional to 278,291,273.60, 417,436,910.40 and 252,761,110.40

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Solution

The fourth proportional to 278,291,273.60, 417,436,910.40 and 252,761,110.40 is: 379,141,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,291,273.60 : 417,436,910.40 = 252,761,110.40 : x
  2. Step 2: Convert to fraction form
    278,291,273.60/417,436,910.40 = 252,761,110.40/x
  3. Step 3: Cross multiply
    278,291,273.60x = 417,436,910.40 × 252,761,110.40
  4. Step 4: Simplify right side
    278,291,273.60x = 105,511,816,994,649,312
  5. Step 5: Solve for x
    x = 105,511,816,994,649,312/278,291,273.60
  6. Step 6: Final answer
    x = 379,141,665.60

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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.