Home / 391,346,704.17-587,004,735.29-132,561,924.06

Finding the Fourth Proportional to 391,346,704.17, 587,004,735.29 and 132,561,924.06

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Solution

The fourth proportional to 391,346,704.17, 587,004,735.29 and 132,561,924.06 is: 198,837,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,346,704.17 : 587,004,735.29 = 132,561,924.06 : x
  2. Step 2: Convert to fraction form
    391,346,704.17/587,004,735.29 = 132,561,924.06/x
  3. Step 3: Cross multiply
    391,346,704.17x = 587,004,735.29 × 132,561,924.06
  4. Step 4: Simplify right side
    391,346,704.17x = 77,814,477,144,658,160
  5. Step 5: Solve for x
    x = 77,814,477,144,658,160/391,346,704.17
  6. Step 6: Final answer
    x = 198,837,696.39

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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.