Home / 22,131,070,718.40-30,540,786,279.12-11,969,809,934.40

Finding the Fourth Proportional to 22,131,070,718.40, 30,540,786,279.12 and 11,969,809,934.40

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Solution

The fourth proportional to 22,131,070,718.40, 30,540,786,279.12 and 11,969,809,934.40 is: 16,518,288,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131,070,718.40 : 30,540,786,279.12 = 11,969,809,934.40 : x
  2. Step 2: Convert to fraction form
    22,131,070,718.40/30,540,786,279.12 = 11,969,809,934.40/x
  3. Step 3: Cross multiply
    22,131,070,718.40x = 30,540,786,279.12 × 11,969,809,934.40
  4. Step 4: Simplify right side
    22,131,070,718.40x = 365,567,407,008,197,771,264
  5. Step 5: Solve for x
    x = 365,567,407,008,197,771,264/22,131,070,718.40
  6. Step 6: Final answer
    x = 16,518,288,322.32

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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.