Home / 396,926,720.40-595,390,080.60-124,381,030.80

Finding the Fourth Proportional to 396,926,720.40, 595,390,080.60 and 124,381,030.80

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Solution

The fourth proportional to 396,926,720.40, 595,390,080.60 and 124,381,030.80 is: 186,571,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,926,720.40 : 595,390,080.60 = 124,381,030.80 : x
  2. Step 2: Convert to fraction form
    396,926,720.40/595,390,080.60 = 124,381,030.80/x
  3. Step 3: Cross multiply
    396,926,720.40x = 595,390,080.60 × 124,381,030.80
  4. Step 4: Simplify right side
    396,926,720.40x = 74,055,231,953,123,088
  5. Step 5: Solve for x
    x = 74,055,231,953,123,088/396,926,720.40
  6. Step 6: Final answer
    x = 186,571,546.20

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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.