Home / 449,339,743.20-674,009,614.80-371,405,560.80

Finding the Fourth Proportional to 449,339,743.20, 674,009,614.80 and 371,405,560.80

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Solution

The fourth proportional to 449,339,743.20, 674,009,614.80 and 371,405,560.80 is: 557,108,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,339,743.20 : 674,009,614.80 = 371,405,560.80 : x
  2. Step 2: Convert to fraction form
    449,339,743.20/674,009,614.80 = 371,405,560.80/x
  3. Step 3: Cross multiply
    449,339,743.20x = 674,009,614.80 × 371,405,560.80
  4. Step 4: Simplify right side
    449,339,743.20x = 250,330,918,969,385,984
  5. Step 5: Solve for x
    x = 250,330,918,969,385,984/449,339,743.20
  6. Step 6: Final answer
    x = 557,108,341.20

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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.