Home / 396,288,002.80-594,432,004.20-105,154,562.80

Finding the Fourth Proportional to 396,288,002.80, 594,432,004.20 and 105,154,562.80

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Solution

The fourth proportional to 396,288,002.80, 594,432,004.20 and 105,154,562.80 is: 157,731,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,288,002.80 : 594,432,004.20 = 105,154,562.80 : x
  2. Step 2: Convert to fraction form
    396,288,002.80/594,432,004.20 = 105,154,562.80/x
  3. Step 3: Cross multiply
    396,288,002.80x = 594,432,004.20 × 105,154,562.80
  4. Step 4: Simplify right side
    396,288,002.80x = 62,507,237,515,978,768
  5. Step 5: Solve for x
    x = 62,507,237,515,978,768/396,288,002.80
  6. Step 6: Final answer
    x = 157,731,844.20

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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.