Home / 449,425,411.20-674,642,001.60-347,640,681.60

Finding the Fourth Proportional to 449,425,411.20, 674,642,001.60 and 347,640,681.60

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Solution

The fourth proportional to 449,425,411.20, 674,642,001.60 and 347,640,681.60 is: 521,850,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,425,411.20 : 674,642,001.60 = 347,640,681.60 : x
  2. Step 2: Convert to fraction form
    449,425,411.20/674,642,001.60 = 347,640,681.60/x
  3. Step 3: Cross multiply
    449,425,411.20x = 674,642,001.60 × 347,640,681.60
  4. Step 4: Simplify right side
    449,425,411.20x = 234,533,005,272,212,320
  5. Step 5: Solve for x
    x = 234,533,005,272,212,320/449,425,411.20
  6. Step 6: Final answer
    x = 521,850,788.65

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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.