Home / 436,544,042.40-654,816,063.60-218,228,079.60

Finding the Fourth Proportional to 436,544,042.40, 654,816,063.60 and 218,228,079.60

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Solution

The fourth proportional to 436,544,042.40, 654,816,063.60 and 218,228,079.60 is: 327,342,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,544,042.40 : 654,816,063.60 = 218,228,079.60 : x
  2. Step 2: Convert to fraction form
    436,544,042.40/654,816,063.60 = 218,228,079.60/x
  3. Step 3: Cross multiply
    436,544,042.40x = 654,816,063.60 × 218,228,079.60
  4. Step 4: Simplify right side
    436,544,042.40x = 142,899,252,050,659,456
  5. Step 5: Solve for x
    x = 142,899,252,050,659,456/436,544,042.40
  6. Step 6: Final answer
    x = 327,342,119.40

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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.