Home / 332,928,000.80-499,392,001.20-212,294,247.20

Finding the Fourth Proportional to 332,928,000.80, 499,392,001.20 and 212,294,247.20

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Solution

The fourth proportional to 332,928,000.80, 499,392,001.20 and 212,294,247.20 is: 318,441,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,928,000.80 : 499,392,001.20 = 212,294,247.20 : x
  2. Step 2: Convert to fraction form
    332,928,000.80/499,392,001.20 = 212,294,247.20/x
  3. Step 3: Cross multiply
    332,928,000.80x = 499,392,001.20 × 212,294,247.20
  4. Step 4: Simplify right side
    332,928,000.80x = 106,018,048,952,455,488
  5. Step 5: Solve for x
    x = 106,018,048,952,455,488/332,928,000.80
  6. Step 6: Final answer
    x = 318,441,370.80

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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.