Home / 396,576,008.40-594,864,012.60-393,888,622.80

Finding the Fourth Proportional to 396,576,008.40, 594,864,012.60 and 393,888,622.80

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Solution

The fourth proportional to 396,576,008.40, 594,864,012.60 and 393,888,622.80 is: 590,832,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,576,008.40 : 594,864,012.60 = 393,888,622.80 : x
  2. Step 2: Convert to fraction form
    396,576,008.40/594,864,012.60 = 393,888,622.80/x
  3. Step 3: Cross multiply
    396,576,008.40x = 594,864,012.60 × 393,888,622.80
  4. Step 4: Simplify right side
    396,576,008.40x = 234,310,166,676,295,872
  5. Step 5: Solve for x
    x = 234,310,166,676,295,872/396,576,008.40
  6. Step 6: Final answer
    x = 590,832,934.20

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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.