Home / 12,696,682,806.72-17,519,304,373.80-7,057,131,889.28

Finding the Fourth Proportional to 12,696,682,806.72, 17,519,304,373.80 and 7,057,131,889.28

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Solution

The fourth proportional to 12,696,682,806.72, 17,519,304,373.80 and 7,057,131,889.28 is: 9,737,664,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,682,806.72 : 17,519,304,373.80 = 7,057,131,889.28 : x
  2. Step 2: Convert to fraction form
    12,696,682,806.72/17,519,304,373.80 = 7,057,131,889.28/x
  3. Step 3: Cross multiply
    12,696,682,806.72x = 17,519,304,373.80 × 7,057,131,889.28
  4. Step 4: Simplify right side
    12,696,682,806.72x = 123,636,041,574,346,555,392
  5. Step 5: Solve for x
    x = 123,636,041,574,346,555,392/12,696,682,806.72
  6. Step 6: Final answer
    x = 9,737,664,826.04

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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.