Home / 391,026,531-586,615,327.38-148,670,591.16

Finding the Fourth Proportional to 391,026,531, 586,615,327.38 and 148,670,591.16

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Solution

The fourth proportional to 391,026,531, 586,615,327.38 and 148,670,591.16 is: 223,034,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,026,531 : 586,615,327.38 = 148,670,591.16 : x
  2. Step 2: Convert to fraction form
    391,026,531/586,615,327.38 = 148,670,591.16/x
  3. Step 3: Cross multiply
    391,026,531x = 586,615,327.38 × 148,670,591.16
  4. Step 4: Simplify right side
    391,026,531x = 87,212,447,505,101,536
  5. Step 5: Solve for x
    x = 87,212,447,505,101,536/391,026,531
  6. Step 6: Final answer
    x = 223,034,604.03

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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.