Home / 268,258,998.30-402,388,497.45-252,386,627.10

Finding the Fourth Proportional to 268,258,998.30, 402,388,497.45 and 252,386,627.10

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Solution

The fourth proportional to 268,258,998.30, 402,388,497.45 and 252,386,627.10 is: 378,579,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,258,998.30 : 402,388,497.45 = 252,386,627.10 : x
  2. Step 2: Convert to fraction form
    268,258,998.30/402,388,497.45 = 252,386,627.10/x
  3. Step 3: Cross multiply
    268,258,998.30x = 402,388,497.45 × 252,386,627.10
  4. Step 4: Simplify right side
    268,258,998.30x = 101,557,475,655,242,448
  5. Step 5: Solve for x
    x = 101,557,475,655,242,448/268,258,998.30
  6. Step 6: Final answer
    x = 378,579,940.65

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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.