Home / 293,398,654.80-440,097,982.20-262,787,653.20

Finding the Fourth Proportional to 293,398,654.80, 440,097,982.20 and 262,787,653.20

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Solution

The fourth proportional to 293,398,654.80, 440,097,982.20 and 262,787,653.20 is: 394,181,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,398,654.80 : 440,097,982.20 = 262,787,653.20 : x
  2. Step 2: Convert to fraction form
    293,398,654.80/440,097,982.20 = 262,787,653.20/x
  3. Step 3: Cross multiply
    293,398,654.80x = 440,097,982.20 × 262,787,653.20
  4. Step 4: Simplify right side
    293,398,654.80x = 115,652,315,920,393,360
  5. Step 5: Solve for x
    x = 115,652,315,920,393,360/293,398,654.80
  6. Step 6: Final answer
    x = 394,181,479.80

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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.