Home / 314,341,660.80-471,512,491.20-268,992,028.80

Finding the Fourth Proportional to 314,341,660.80, 471,512,491.20 and 268,992,028.80

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Solution

The fourth proportional to 314,341,660.80, 471,512,491.20 and 268,992,028.80 is: 403,488,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,341,660.80 : 471,512,491.20 = 268,992,028.80 : x
  2. Step 2: Convert to fraction form
    314,341,660.80/471,512,491.20 = 268,992,028.80/x
  3. Step 3: Cross multiply
    314,341,660.80x = 471,512,491.20 × 268,992,028.80
  4. Step 4: Simplify right side
    314,341,660.80x = 126,833,101,612,430,144
  5. Step 5: Solve for x
    x = 126,833,101,612,430,144/314,341,660.80
  6. Step 6: Final answer
    x = 403,488,043.20

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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.