Home / 797,156,221.40-1,195,958,280.90-388,225,712.60

Finding the Fourth Proportional to 797,156,221.40, 1,195,958,280.90 and 388,225,712.60

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Solution

The fourth proportional to 797,156,221.40, 1,195,958,280.90 and 388,225,712.60 is: 582,447,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,156,221.40 : 1,195,958,280.90 = 388,225,712.60 : x
  2. Step 2: Convert to fraction form
    797,156,221.40/1,195,958,280.90 = 388,225,712.60/x
  3. Step 3: Cross multiply
    797,156,221.40x = 1,195,958,280.90 × 388,225,712.60
  4. Step 4: Simplify right side
    797,156,221.40x = 464,301,755,842,273,536
  5. Step 5: Solve for x
    x = 464,301,755,842,273,536/797,156,221.40
  6. Step 6: Final answer
    x = 582,447,634.95

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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.