Home / 13,100,815,361.62-19,631,226,557.31-7,778,446,696.09

Finding the Fourth Proportional to 13,100,815,361.62, 19,631,226,557.31 and 7,778,446,696.09

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Solution

The fourth proportional to 13,100,815,361.62, 19,631,226,557.31 and 7,778,446,696.09 is: 11,655,797,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,815,361.62 : 19,631,226,557.31 = 7,778,446,696.09 : x
  2. Step 2: Convert to fraction form
    13,100,815,361.62/19,631,226,557.31 = 7,778,446,696.09/x
  3. Step 3: Cross multiply
    13,100,815,361.62x = 19,631,226,557.31 × 7,778,446,696.09
  4. Step 4: Simplify right side
    13,100,815,361.62x = 152,700,449,354,902,241,280
  5. Step 5: Solve for x
    x = 152,700,449,354,902,241,280/13,100,815,361.62
  6. Step 6: Final answer
    x = 11,655,797,379.01

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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.