Home / 394,607,218.80-591,910,828.20-103,473,778.80

Finding the Fourth Proportional to 394,607,218.80, 591,910,828.20 and 103,473,778.80

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Solution

The fourth proportional to 394,607,218.80, 591,910,828.20 and 103,473,778.80 is: 155,210,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,607,218.80 : 591,910,828.20 = 103,473,778.80 : x
  2. Step 2: Convert to fraction form
    394,607,218.80/591,910,828.20 = 103,473,778.80/x
  3. Step 3: Cross multiply
    394,607,218.80x = 591,910,828.20 × 103,473,778.80
  4. Step 4: Simplify right side
    394,607,218.80x = 61,247,250,106,491,608
  5. Step 5: Solve for x
    x = 61,247,250,106,491,608/394,607,218.80
  6. Step 6: Final answer
    x = 155,210,668.20

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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.