Home / 408,224,998.80-612,337,498.20-149,354,182.80

Finding the Fourth Proportional to 408,224,998.80, 612,337,498.20 and 149,354,182.80

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Solution

The fourth proportional to 408,224,998.80, 612,337,498.20 and 149,354,182.80 is: 224,031,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,224,998.80 : 612,337,498.20 = 149,354,182.80 : x
  2. Step 2: Convert to fraction form
    408,224,998.80/612,337,498.20 = 149,354,182.80/x
  3. Step 3: Cross multiply
    408,224,998.80x = 612,337,498.20 × 149,354,182.80
  4. Step 4: Simplify right side
    408,224,998.80x = 91,455,166,641,457,488
  5. Step 5: Solve for x
    x = 91,455,166,641,457,488/408,224,998.80
  6. Step 6: Final answer
    x = 224,031,274.20

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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.