Home / 449,424,301.20-674,136,451.80-347,387,629.20

Finding the Fourth Proportional to 449,424,301.20, 674,136,451.80 and 347,387,629.20

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Solution

The fourth proportional to 449,424,301.20, 674,136,451.80 and 347,387,629.20 is: 521,081,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,424,301.20 : 674,136,451.80 = 347,387,629.20 : x
  2. Step 2: Convert to fraction form
    449,424,301.20/674,136,451.80 = 347,387,629.20/x
  3. Step 3: Cross multiply
    449,424,301.20x = 674,136,451.80 × 347,387,629.20
  4. Step 4: Simplify right side
    449,424,301.20x = 234,186,663,748,102,048
  5. Step 5: Solve for x
    x = 234,186,663,748,102,048/449,424,301.20
  6. Step 6: Final answer
    x = 521,081,443.80

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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.