Home / 664,411,942.40-996,974,849.28-276,502,208

Finding the Fourth Proportional to 664,411,942.40, 996,974,849.28 and 276,502,208

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Solution

The fourth proportional to 664,411,942.40, 996,974,849.28 and 276,502,208 is: 414,901,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,411,942.40 : 996,974,849.28 = 276,502,208 : x
  2. Step 2: Convert to fraction form
    664,411,942.40/996,974,849.28 = 276,502,208/x
  3. Step 3: Cross multiply
    664,411,942.40x = 996,974,849.28 × 276,502,208
  4. Step 4: Simplify right side
    664,411,942.40x = 275,665,747,146,387,200
  5. Step 5: Solve for x
    x = 275,665,747,146,387,200/664,411,942.40
  6. Step 6: Final answer
    x = 414,901,854.64

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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.