Home / 20,738,508,703.50-28,619,232,132.15-11,223,061,252.14

Finding the Fourth Proportional to 20,738,508,703.50, 28,619,232,132.15 and 11,223,061,252.14

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Solution

The fourth proportional to 20,738,508,703.50, 28,619,232,132.15 and 11,223,061,252.14 is: 15,487,873,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,508,703.50 : 28,619,232,132.15 = 11,223,061,252.14 : x
  2. Step 2: Convert to fraction form
    20,738,508,703.50/28,619,232,132.15 = 11,223,061,252.14/x
  3. Step 3: Cross multiply
    20,738,508,703.50x = 28,619,232,132.15 × 11,223,061,252.14
  4. Step 4: Simplify right side
    20,738,508,703.50x = 321,195,395,208,332,705,792
  5. Step 5: Solve for x
    x = 321,195,395,208,332,705,792/20,738,508,703.50
  6. Step 6: Final answer
    x = 15,487,873,298.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.