Home / 792,072,241.70-1,188,055,218.45-209,793,989.30

Finding the Fourth Proportional to 792,072,241.70, 1,188,055,218.45 and 209,793,989.30

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Solution

The fourth proportional to 792,072,241.70, 1,188,055,218.45 and 209,793,989.30 is: 314,676,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,072,241.70 : 1,188,055,218.45 = 209,793,989.30 : x
  2. Step 2: Convert to fraction form
    792,072,241.70/1,188,055,218.45 = 209,793,989.30/x
  3. Step 3: Cross multiply
    792,072,241.70x = 1,188,055,218.45 × 209,793,989.30
  4. Step 4: Simplify right side
    792,072,241.70x = 249,246,843,787,308,480
  5. Step 5: Solve for x
    x = 249,246,843,787,308,480/792,072,241.70
  6. Step 6: Final answer
    x = 314,676,907.82

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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.