Home / 439,767,512.40-659,725,918.20-133,057,189.20

Finding the Fourth Proportional to 439,767,512.40, 659,725,918.20 and 133,057,189.20

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Solution

The fourth proportional to 439,767,512.40, 659,725,918.20 and 133,057,189.20 is: 199,608,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,767,512.40 : 659,725,918.20 = 133,057,189.20 : x
  2. Step 2: Convert to fraction form
    439,767,512.40/659,725,918.20 = 133,057,189.20/x
  3. Step 3: Cross multiply
    439,767,512.40x = 659,725,918.20 × 133,057,189.20
  4. Step 4: Simplify right side
    439,767,512.40x = 87,781,276,318,081,136
  5. Step 5: Solve for x
    x = 87,781,276,318,081,136/439,767,512.40
  6. Step 6: Final answer
    x = 199,608,369.97

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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.