Home / 449,071,243.20-673,606,864.80-383,314,276.80

Finding the Fourth Proportional to 449,071,243.20, 673,606,864.80 and 383,314,276.80

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Solution

The fourth proportional to 449,071,243.20, 673,606,864.80 and 383,314,276.80 is: 574,971,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,071,243.20 : 673,606,864.80 = 383,314,276.80 : x
  2. Step 2: Convert to fraction form
    449,071,243.20/673,606,864.80 = 383,314,276.80/x
  3. Step 3: Cross multiply
    449,071,243.20x = 673,606,864.80 × 383,314,276.80
  4. Step 4: Simplify right side
    449,071,243.20x = 258,203,128,228,327,360
  5. Step 5: Solve for x
    x = 258,203,128,228,327,360/449,071,243.20
  6. Step 6: Final answer
    x = 574,971,415.20

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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.