Home / 408,864,040.80-613,296,061.20-263,745,218.40

Finding the Fourth Proportional to 408,864,040.80, 613,296,061.20 and 263,745,218.40

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Solution

The fourth proportional to 408,864,040.80, 613,296,061.20 and 263,745,218.40 is: 395,617,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,864,040.80 : 613,296,061.20 = 263,745,218.40 : x
  2. Step 2: Convert to fraction form
    408,864,040.80/613,296,061.20 = 263,745,218.40/x
  3. Step 3: Cross multiply
    408,864,040.80x = 613,296,061.20 × 263,745,218.40
  4. Step 4: Simplify right side
    408,864,040.80x = 161,753,903,605,053,792
  5. Step 5: Solve for x
    x = 161,753,903,605,053,792/408,864,040.80
  6. Step 6: Final answer
    x = 395,617,827.60

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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.