Home / 2,160,601,129.72-2,981,632,584.51-1,170,526,546.72

Finding the Fourth Proportional to 2,160,601,129.72, 2,981,632,584.51 and 1,170,526,546.72

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Solution

The fourth proportional to 2,160,601,129.72, 2,981,632,584.51 and 1,170,526,546.72 is: 1,615,328,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,601,129.72 : 2,981,632,584.51 = 1,170,526,546.72 : x
  2. Step 2: Convert to fraction form
    2,160,601,129.72/2,981,632,584.51 = 1,170,526,546.72/x
  3. Step 3: Cross multiply
    2,160,601,129.72x = 2,981,632,584.51 × 1,170,526,546.72
  4. Step 4: Simplify right side
    2,160,601,129.72x = 3,490,080,092,713,558,016
  5. Step 5: Solve for x
    x = 3,490,080,092,713,558,016/2,160,601,129.72
  6. Step 6: Final answer
    x = 1,615,328,273.56

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Double scale
Find fourth proportional to 2,160,601,130.72, 2,981,632,585.89 and 1,170,526,547.72
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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.