Home / 268,256,376.30-402,384,564.45-252,384,005.10

Finding the Fourth Proportional to 268,256,376.30, 402,384,564.45 and 252,384,005.10

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Solution

The fourth proportional to 268,256,376.30, 402,384,564.45 and 252,384,005.10 is: 378,576,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,256,376.30 : 402,384,564.45 = 252,384,005.10 : x
  2. Step 2: Convert to fraction form
    268,256,376.30/402,384,564.45 = 252,384,005.10/x
  3. Step 3: Cross multiply
    268,256,376.30x = 402,384,564.45 × 252,384,005.10
  4. Step 4: Simplify right side
    268,256,376.30x = 101,555,427,966,310,080
  5. Step 5: Solve for x
    x = 101,555,427,966,310,080/268,256,376.30
  6. Step 6: Final answer
    x = 378,576,007.65

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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.