Home / 248,120,117,568.20-372,288,431,784.02-86,887,246,338.97

Finding the Fourth Proportional to 248,120,117,568.20, 372,288,431,784.02 and 86,887,246,338.97

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Solution

The fourth proportional to 248,120,117,568.20, 372,288,431,784.02 and 86,887,246,338.97 is: 130,368,778,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,120,117,568.20 : 372,288,431,784.02 = 86,887,246,338.97 : x
  2. Step 2: Convert to fraction form
    248,120,117,568.20/372,288,431,784.02 = 86,887,246,338.97/x
  3. Step 3: Cross multiply
    248,120,117,568.20x = 372,288,431,784.02 × 86,887,246,338.97
  4. Step 4: Simplify right side
    248,120,117,568.20x = 32,347,116,681,566,233,821,184
  5. Step 5: Solve for x
    x = 32,347,116,681,566,233,821,184/248,120,117,568.20
  6. Step 6: Final answer
    x = 130,368,778,632.69

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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.