Home / 78,485,328,014.30-117,727,992,021.45-78,485,328,014.30

Finding the Fourth Proportional to 78,485,328,014.30, 117,727,992,021.45 and 78,485,328,014.30

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Solution

The fourth proportional to 78,485,328,014.30, 117,727,992,021.45 and 78,485,328,014.30 is: 117,727,992,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,485,328,014.30 : 117,727,992,021.45 = 78,485,328,014.30 : x
  2. Step 2: Convert to fraction form
    78,485,328,014.30/117,727,992,021.45 = 78,485,328,014.30/x
  3. Step 3: Cross multiply
    78,485,328,014.30x = 117,727,992,021.45 × 78,485,328,014.30
  4. Step 4: Simplify right side
    78,485,328,014.30x = 9,239,920,070,268,397,027,328
  5. Step 5: Solve for x
    x = 9,239,920,070,268,397,027,328/78,485,328,014.30
  6. Step 6: Final answer
    x = 117,727,992,021.45

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Double scale
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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.