Home / 391,484,629.80-587,208,282.30-132,674,466.60

Finding the Fourth Proportional to 391,484,629.80, 587,208,282.30 and 132,674,466.60

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Solution

The fourth proportional to 391,484,629.80, 587,208,282.30 and 132,674,466.60 is: 199,005,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,484,629.80 : 587,208,282.30 = 132,674,466.60 : x
  2. Step 2: Convert to fraction form
    391,484,629.80/587,208,282.30 = 132,674,466.60/x
  3. Step 3: Cross multiply
    391,484,629.80x = 587,208,282.30 × 132,674,466.60
  4. Step 4: Simplify right side
    391,484,629.80x = 77,907,545,637,254,704
  5. Step 5: Solve for x
    x = 77,907,545,637,254,704/391,484,629.80
  6. Step 6: Final answer
    x = 199,005,375.20

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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.