Home / 325,257,930,534.78-448,860,011,485.78-178,786,383,639.03

Finding the Fourth Proportional to 325,257,930,534.78, 448,860,011,485.78 and 178,786,383,639.03

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Solution

The fourth proportional to 325,257,930,534.78, 448,860,011,485.78 and 178,786,383,639.03 is: 246,727,445,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,257,930,534.78 : 448,860,011,485.78 = 178,786,383,639.03 : x
  2. Step 2: Convert to fraction form
    325,257,930,534.78/448,860,011,485.78 = 178,786,383,639.03/x
  3. Step 3: Cross multiply
    325,257,930,534.78x = 448,860,011,485.78 × 178,786,383,639.03
  4. Step 4: Simplify right side
    325,257,930,534.78x = 80,250,058,213,716,085,702,656
  5. Step 5: Solve for x
    x = 80,250,058,213,716,085,702,656/325,257,930,534.78
  6. Step 6: Final answer
    x = 246,727,445,144.14

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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.