Home / 12,890,542,213,655-17,796,977,891,953-8,205,585,371,928.80

Finding the Fourth Proportional to 12,890,542,213,655, 17,796,977,891,953 and 8,205,585,371,928.80

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Solution

The fourth proportional to 12,890,542,213,655, 17,796,977,891,953 and 8,205,585,371,928.80 is: 11,328,819,147,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,542,213,655 : 17,796,977,891,953 = 8,205,585,371,928.80 : x
  2. Step 2: Convert to fraction form
    12,890,542,213,655/17,796,977,891,953 = 8,205,585,371,928.80/x
  3. Step 3: Cross multiply
    12,890,542,213,655x = 17,796,977,891,953 × 8,205,585,371,928.80
  4. Step 4: Simplify right side
    12,890,542,213,655x = 146,034,621,454,749,786,787,807,232
  5. Step 5: Solve for x
    x = 146,034,621,454,749,786,787,807,232/12,890,542,213,655
  6. Step 6: Final answer
    x = 11,328,819,147,735.68

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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.