Home / 12,788,521,225.52-17,647,263,380.52-7,435,701,826.64

Finding the Fourth Proportional to 12,788,521,225.52, 17,647,263,380.52 and 7,435,701,826.64

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Solution

The fourth proportional to 12,788,521,225.52, 17,647,263,380.52 and 7,435,701,826.64 is: 10,260,747,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,521,225.52 : 17,647,263,380.52 = 7,435,701,826.64 : x
  2. Step 2: Convert to fraction form
    12,788,521,225.52/17,647,263,380.52 = 7,435,701,826.64/x
  3. Step 3: Cross multiply
    12,788,521,225.52x = 17,647,263,380.52 × 7,435,701,826.64
  4. Step 4: Simplify right side
    12,788,521,225.52x = 131,219,788,553,729,753,088
  5. Step 5: Solve for x
    x = 131,219,788,553,729,753,088/12,788,521,225.52
  6. Step 6: Final answer
    x = 10,260,747,606.37

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Double scale
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1.5x scale

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.