Home / 12,788,519,370-17,647,260,822.72-7,435,699,972.08

Finding the Fourth Proportional to 12,788,519,370, 17,647,260,822.72 and 7,435,699,972.08

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Solution

The fourth proportional to 12,788,519,370, 17,647,260,822.72 and 7,435,699,972.08 is: 10,260,745,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,519,370 : 17,647,260,822.72 = 7,435,699,972.08 : x
  2. Step 2: Convert to fraction form
    12,788,519,370/17,647,260,822.72 = 7,435,699,972.08/x
  3. Step 3: Cross multiply
    12,788,519,370x = 17,647,260,822.72 × 7,435,699,972.08
  4. Step 4: Simplify right side
    12,788,519,370x = 131,219,736,806,787,596,288
  5. Step 5: Solve for x
    x = 131,219,736,806,787,596,288/12,788,519,370
  6. Step 6: Final answer
    x = 10,260,745,048.77

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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.