Home / 11,129,643,669.60-16,694,465,504.40-7,817,198,488.65

Finding the Fourth Proportional to 11,129,643,669.60, 16,694,465,504.40 and 7,817,198,488.65

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Solution

The fourth proportional to 11,129,643,669.60, 16,694,465,504.40 and 7,817,198,488.65 is: 11,725,797,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,643,669.60 : 16,694,465,504.40 = 7,817,198,488.65 : x
  2. Step 2: Convert to fraction form
    11,129,643,669.60/16,694,465,504.40 = 7,817,198,488.65/x
  3. Step 3: Cross multiply
    11,129,643,669.60x = 16,694,465,504.40 × 7,817,198,488.65
  4. Step 4: Simplify right side
    11,129,643,669.60x = 130,503,950,509,815,234,560
  5. Step 5: Solve for x
    x = 130,503,950,509,815,234,560/11,129,643,669.60
  6. Step 6: Final answer
    x = 11,725,797,732.98

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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.