Home / 312,911,056.80-469,366,585.20-231,281,719.20

Finding the Fourth Proportional to 312,911,056.80, 469,366,585.20 and 231,281,719.20

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Solution

The fourth proportional to 312,911,056.80, 469,366,585.20 and 231,281,719.20 is: 346,922,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,911,056.80 : 469,366,585.20 = 231,281,719.20 : x
  2. Step 2: Convert to fraction form
    312,911,056.80/469,366,585.20 = 231,281,719.20/x
  3. Step 3: Cross multiply
    312,911,056.80x = 469,366,585.20 × 231,281,719.20
  4. Step 4: Simplify right side
    312,911,056.80x = 108,555,910,760,089,264
  5. Step 5: Solve for x
    x = 108,555,910,760,089,264/312,911,056.80
  6. Step 6: Final answer
    x = 346,922,578.80

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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.