Home / 12,792,236,739.74-19,190,101,285.59-5,329,074,193.12

Finding the Fourth Proportional to 12,792,236,739.74, 19,190,101,285.59 and 5,329,074,193.12

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Solution

The fourth proportional to 12,792,236,739.74, 19,190,101,285.59 and 5,329,074,193.12 is: 7,994,338,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,236,739.74 : 19,190,101,285.59 = 5,329,074,193.12 : x
  2. Step 2: Convert to fraction form
    12,792,236,739.74/19,190,101,285.59 = 5,329,074,193.12/x
  3. Step 3: Cross multiply
    12,792,236,739.74x = 19,190,101,285.59 × 5,329,074,193.12
  4. Step 4: Simplify right side
    12,792,236,739.74x = 102,265,473,524,394,901,504
  5. Step 5: Solve for x
    x = 102,265,473,524,394,901,504/12,792,236,739.74
  6. Step 6: Final answer
    x = 7,994,338,723.17

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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.