Home / 791,954,196.52-1,187,976,691.74-209,673,311.52

Finding the Fourth Proportional to 791,954,196.52, 1,187,976,691.74 and 209,673,311.52

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Solution

The fourth proportional to 791,954,196.52, 1,187,976,691.74 and 209,673,311.52 is: 314,521,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,954,196.52 : 1,187,976,691.74 = 209,673,311.52 : x
  2. Step 2: Convert to fraction form
    791,954,196.52/1,187,976,691.74 = 209,673,311.52/x
  3. Step 3: Cross multiply
    791,954,196.52x = 1,187,976,691.74 × 209,673,311.52
  4. Step 4: Simplify right side
    791,954,196.52x = 249,087,006,965,700,032
  5. Step 5: Solve for x
    x = 249,087,006,965,700,032/791,954,196.52
  6. Step 6: Final answer
    x = 314,521,986.32

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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.