Home / 820,842,883.28-1,231,009,673.11-296,143,775.14

Finding the Fourth Proportional to 820,842,883.28, 1,231,009,673.11 and 296,143,775.14

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Solution

The fourth proportional to 820,842,883.28, 1,231,009,673.11 and 296,143,775.14 is: 444,123,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,842,883.28 : 1,231,009,673.11 = 296,143,775.14 : x
  2. Step 2: Convert to fraction form
    820,842,883.28/1,231,009,673.11 = 296,143,775.14/x
  3. Step 3: Cross multiply
    820,842,883.28x = 1,231,009,673.11 × 296,143,775.14
  4. Step 4: Simplify right side
    820,842,883.28x = 364,555,851,827,978,368
  5. Step 5: Solve for x
    x = 364,555,851,827,978,368/820,842,883.28
  6. Step 6: Final answer
    x = 444,123,789.40

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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.