Home / 21,161,112,946.94-31,744,651,170.76-6,798,005,211.21

Finding the Fourth Proportional to 21,161,112,946.94, 31,744,651,170.76 and 6,798,005,211.21

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Solution

The fourth proportional to 21,161,112,946.94, 31,744,651,170.76 and 6,798,005,211.21 is: 10,197,965,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,161,112,946.94 : 31,744,651,170.76 = 6,798,005,211.21 : x
  2. Step 2: Convert to fraction form
    21,161,112,946.94/31,744,651,170.76 = 6,798,005,211.21/x
  3. Step 3: Cross multiply
    21,161,112,946.94x = 31,744,651,170.76 × 6,798,005,211.21
  4. Step 4: Simplify right side
    21,161,112,946.94x = 215,800,304,086,947,627,008
  5. Step 5: Solve for x
    x = 215,800,304,086,947,627,008/21,161,112,946.94
  6. Step 6: Final answer
    x = 10,197,965,703.79

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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.