Home / 513,217,095.60-769,825,643.40-240,615,418.80

Finding the Fourth Proportional to 513,217,095.60, 769,825,643.40 and 240,615,418.80

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Solution

The fourth proportional to 513,217,095.60, 769,825,643.40 and 240,615,418.80 is: 360,923,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,217,095.60 : 769,825,643.40 = 240,615,418.80 : x
  2. Step 2: Convert to fraction form
    513,217,095.60/769,825,643.40 = 240,615,418.80/x
  3. Step 3: Cross multiply
    513,217,095.60x = 769,825,643.40 × 240,615,418.80
  4. Step 4: Simplify right side
    513,217,095.60x = 185,231,919,589,670,464
  5. Step 5: Solve for x
    x = 185,231,919,589,670,464/513,217,095.60
  6. Step 6: Final answer
    x = 360,923,128.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.