Home / 454,145,240.80-681,217,861.20-263,042,264.80

Finding the Fourth Proportional to 454,145,240.80, 681,217,861.20 and 263,042,264.80

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Solution

The fourth proportional to 454,145,240.80, 681,217,861.20 and 263,042,264.80 is: 394,563,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,145,240.80 : 681,217,861.20 = 263,042,264.80 : x
  2. Step 2: Convert to fraction form
    454,145,240.80/681,217,861.20 = 263,042,264.80/x
  3. Step 3: Cross multiply
    454,145,240.80x = 681,217,861.20 × 263,042,264.80
  4. Step 4: Simplify right side
    454,145,240.80x = 179,189,089,032,260,064
  5. Step 5: Solve for x
    x = 179,189,089,032,260,064/454,145,240.80
  6. Step 6: Final answer
    x = 394,563,397.20

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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.