Home / 451,286,982,021.09-622,780,973,395.56-245,522,391,143.64

Finding the Fourth Proportional to 451,286,982,021.09, 622,780,973,395.56 and 245,522,391,143.64

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Solution

The fourth proportional to 451,286,982,021.09, 622,780,973,395.56 and 245,522,391,143.64 is: 338,823,586,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,286,982,021.09 : 622,780,973,395.56 = 245,522,391,143.64 : x
  2. Step 2: Convert to fraction form
    451,286,982,021.09/622,780,973,395.56 = 245,522,391,143.64/x
  3. Step 3: Cross multiply
    451,286,982,021.09x = 622,780,973,395.56 × 245,522,391,143.64
  4. Step 4: Simplify right side
    451,286,982,021.09x = 152,906,673,746,841,549,406,208
  5. Step 5: Solve for x
    x = 152,906,673,746,841,549,406,208/451,286,982,021.09
  6. Step 6: Final answer
    x = 338,823,586,406.26

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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.