Home / 480,665,448.66-663,346,118.87-268,970,431.11

Finding the Fourth Proportional to 480,665,448.66, 663,346,118.87 and 268,970,431.11

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Solution

The fourth proportional to 480,665,448.66, 663,346,118.87 and 268,970,431.11 is: 371,194,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,665,448.66 : 663,346,118.87 = 268,970,431.11 : x
  2. Step 2: Convert to fraction form
    480,665,448.66/663,346,118.87 = 268,970,431.11/x
  3. Step 3: Cross multiply
    480,665,448.66x = 663,346,118.87 × 268,970,431.11
  4. Step 4: Simplify right side
    480,665,448.66x = 178,420,491,564,793,504
  5. Step 5: Solve for x
    x = 178,420,491,564,793,504/480,665,448.66
  6. Step 6: Final answer
    x = 371,194,751.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.