Home / 20,110,370,999.40-30,165,556,499.10-17,902,074,212.10

Finding the Fourth Proportional to 20,110,370,999.40, 30,165,556,499.10 and 17,902,074,212.10

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Solution

The fourth proportional to 20,110,370,999.40, 30,165,556,499.10 and 17,902,074,212.10 is: 26,853,111,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,370,999.40 : 30,165,556,499.10 = 17,902,074,212.10 : x
  2. Step 2: Convert to fraction form
    20,110,370,999.40/30,165,556,499.10 = 17,902,074,212.10/x
  3. Step 3: Cross multiply
    20,110,370,999.40x = 30,165,556,499.10 × 17,902,074,212.10
  4. Step 4: Simplify right side
    20,110,370,999.40x = 540,026,031,096,183,586,816
  5. Step 5: Solve for x
    x = 540,026,031,096,183,586,816/20,110,370,999.40
  6. Step 6: Final answer
    x = 26,853,111,318.15

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1.5x scale

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.