Home / 441,073,209.40-661,609,814.10-419,910,047.80

Finding the Fourth Proportional to 441,073,209.40, 661,609,814.10 and 419,910,047.80

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Solution

The fourth proportional to 441,073,209.40, 661,609,814.10 and 419,910,047.80 is: 629,865,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,073,209.40 : 661,609,814.10 = 419,910,047.80 : x
  2. Step 2: Convert to fraction form
    441,073,209.40/661,609,814.10 = 419,910,047.80/x
  3. Step 3: Cross multiply
    441,073,209.40x = 661,609,814.10 × 419,910,047.80
  4. Step 4: Simplify right side
    441,073,209.40x = 277,816,608,663,680,128
  5. Step 5: Solve for x
    x = 277,816,608,663,680,128/441,073,209.40
  6. Step 6: Final answer
    x = 629,865,071.70

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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.