Home / 28,703,705,900.80-43,055,558,851.20-20,964,035,372.80

Finding the Fourth Proportional to 28,703,705,900.80, 43,055,558,851.20 and 20,964,035,372.80

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Solution

The fourth proportional to 28,703,705,900.80, 43,055,558,851.20 and 20,964,035,372.80 is: 31,446,053,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703,705,900.80 : 43,055,558,851.20 = 20,964,035,372.80 : x
  2. Step 2: Convert to fraction form
    28,703,705,900.80/43,055,558,851.20 = 20,964,035,372.80/x
  3. Step 3: Cross multiply
    28,703,705,900.80x = 43,055,558,851.20 × 20,964,035,372.80
  4. Step 4: Simplify right side
    28,703,705,900.80x = 902,618,258,752,228,818,944
  5. Step 5: Solve for x
    x = 902,618,258,752,228,818,944/28,703,705,900.80
  6. Step 6: Final answer
    x = 31,446,053,059.20

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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.