Home / 396,290,440.80-594,435,661.20-370,781,272.80

Finding the Fourth Proportional to 396,290,440.80, 594,435,661.20 and 370,781,272.80

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Solution

The fourth proportional to 396,290,440.80, 594,435,661.20 and 370,781,272.80 is: 556,171,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,290,440.80 : 594,435,661.20 = 370,781,272.80 : x
  2. Step 2: Convert to fraction form
    396,290,440.80/594,435,661.20 = 370,781,272.80/x
  3. Step 3: Cross multiply
    396,290,440.80x = 594,435,661.20 × 370,781,272.80
  4. Step 4: Simplify right side
    396,290,440.80x = 220,405,611,057,445,600
  5. Step 5: Solve for x
    x = 220,405,611,057,445,600/396,290,440.80
  6. Step 6: Final answer
    x = 556,171,909.20

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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.