Home / 316,061,818,857.78-436,165,632,825.42-171,545,978,346.53

Finding the Fourth Proportional to 316,061,818,857.78, 436,165,632,825.42 and 171,545,978,346.53

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Solution

The fourth proportional to 316,061,818,857.78, 436,165,632,825.42 and 171,545,978,346.53 is: 236,733,625,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,061,818,857.78 : 436,165,632,825.42 = 171,545,978,346.53 : x
  2. Step 2: Convert to fraction form
    316,061,818,857.78/436,165,632,825.42 = 171,545,978,346.53/x
  3. Step 3: Cross multiply
    316,061,818,857.78x = 436,165,632,825.42 × 171,545,978,346.53
  4. Step 4: Simplify right side
    316,061,818,857.78x = 74,822,460,204,170,052,894,720
  5. Step 5: Solve for x
    x = 74,822,460,204,170,052,894,720/316,061,818,857.78
  6. Step 6: Final answer
    x = 236,733,625,322.32

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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.