Home / 12,122,728,142.92-16,607,859,641.33-11,669,492,379.40

Finding the Fourth Proportional to 12,122,728,142.92, 16,607,859,641.33 and 11,669,492,379.40

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Solution

The fourth proportional to 12,122,728,142.92, 16,607,859,641.33 and 11,669,492,379.40 is: 15,986,937,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,728,142.92 : 16,607,859,641.33 = 11,669,492,379.40 : x
  2. Step 2: Convert to fraction form
    12,122,728,142.92/16,607,859,641.33 = 11,669,492,379.40/x
  3. Step 3: Cross multiply
    12,122,728,142.92x = 16,607,859,641.33 × 11,669,492,379.40
  4. Step 4: Simplify right side
    12,122,728,142.92x = 193,805,291,522,645,229,568
  5. Step 5: Solve for x
    x = 193,805,291,522,645,229,568/12,122,728,142.92
  6. Step 6: Final answer
    x = 15,986,937,035.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.