Home / 396,306,051.60-594,459,077.40-137,494,284.60

Finding the Fourth Proportional to 396,306,051.60, 594,459,077.40 and 137,494,284.60

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Solution

The fourth proportional to 396,306,051.60, 594,459,077.40 and 137,494,284.60 is: 206,241,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,306,051.60 : 594,459,077.40 = 137,494,284.60 : x
  2. Step 2: Convert to fraction form
    396,306,051.60/594,459,077.40 = 137,494,284.60/x
  3. Step 3: Cross multiply
    396,306,051.60x = 594,459,077.40 × 137,494,284.60
  4. Step 4: Simplify right side
    396,306,051.60x = 81,734,725,571,089,024
  5. Step 5: Solve for x
    x = 81,734,725,571,089,024/396,306,051.60
  6. Step 6: Final answer
    x = 206,241,426.90

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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.