Home / 449,376,043.20-674,064,064.80-383,619,076.80

Finding the Fourth Proportional to 449,376,043.20, 674,064,064.80 and 383,619,076.80

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Solution

The fourth proportional to 449,376,043.20, 674,064,064.80 and 383,619,076.80 is: 575,428,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,376,043.20 : 674,064,064.80 = 383,619,076.80 : x
  2. Step 2: Convert to fraction form
    449,376,043.20/674,064,064.80 = 383,619,076.80/x
  3. Step 3: Cross multiply
    449,376,043.20x = 674,064,064.80 × 383,619,076.80
  4. Step 4: Simplify right side
    449,376,043.20x = 258,583,834,242,631,360
  5. Step 5: Solve for x
    x = 258,583,834,242,631,360/449,376,043.20
  6. Step 6: Final answer
    x = 575,428,615.20

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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.