Home / 299,460,793.20-449,191,189.80-287,556,514.80

Finding the Fourth Proportional to 299,460,793.20, 449,191,189.80 and 287,556,514.80

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Solution

The fourth proportional to 299,460,793.20, 449,191,189.80 and 287,556,514.80 is: 431,334,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,460,793.20 : 449,191,189.80 = 287,556,514.80 : x
  2. Step 2: Convert to fraction form
    299,460,793.20/449,191,189.80 = 287,556,514.80/x
  3. Step 3: Cross multiply
    299,460,793.20x = 449,191,189.80 × 287,556,514.80
  4. Step 4: Simplify right side
    299,460,793.20x = 129,167,853,017,753,312
  5. Step 5: Solve for x
    x = 129,167,853,017,753,312/299,460,793.20
  6. Step 6: Final answer
    x = 431,334,772.20

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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.