Home / 12,589,342,575.90-17,374,816,198.32-7,165,196,986.96

Finding the Fourth Proportional to 12,589,342,575.90, 17,374,816,198.32 and 7,165,196,986.96

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Solution

The fourth proportional to 12,589,342,575.90, 17,374,816,198.32 and 7,165,196,986.96 is: 9,888,838,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,342,575.90 : 17,374,816,198.32 = 7,165,196,986.96 : x
  2. Step 2: Convert to fraction form
    12,589,342,575.90/17,374,816,198.32 = 7,165,196,986.96/x
  3. Step 3: Cross multiply
    12,589,342,575.90x = 17,374,816,198.32 × 7,165,196,986.96
  4. Step 4: Simplify right side
    12,589,342,575.90x = 124,493,980,673,186,267,136
  5. Step 5: Solve for x
    x = 124,493,980,673,186,267,136/12,589,342,575.90
  6. Step 6: Final answer
    x = 9,888,838,906.61

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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.