Home / 29,109,073,853.46-40,170,521,606.74-15,743,066,982.94

Finding the Fourth Proportional to 29,109,073,853.46, 40,170,521,606.74 and 15,743,066,982.94

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Solution

The fourth proportional to 29,109,073,853.46, 40,170,521,606.74 and 15,743,066,982.94 is: 21,725,432,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109,073,853.46 : 40,170,521,606.74 = 15,743,066,982.94 : x
  2. Step 2: Convert to fraction form
    29,109,073,853.46/40,170,521,606.74 = 15,743,066,982.94/x
  3. Step 3: Cross multiply
    29,109,073,853.46x = 40,170,521,606.74 × 15,743,066,982.94
  4. Step 4: Simplify right side
    29,109,073,853.46x = 632,407,212,394,546,331,648
  5. Step 5: Solve for x
    x = 632,407,212,394,546,331,648/29,109,073,853.46
  6. Step 6: Final answer
    x = 21,725,432,268.24

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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.