Home / 222,718,856.80-334,078,285.20-199,288,213.60

Finding the Fourth Proportional to 222,718,856.80, 334,078,285.20 and 199,288,213.60

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Solution

The fourth proportional to 222,718,856.80, 334,078,285.20 and 199,288,213.60 is: 298,932,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718,856.80 : 334,078,285.20 = 199,288,213.60 : x
  2. Step 2: Convert to fraction form
    222,718,856.80/334,078,285.20 = 199,288,213.60/x
  3. Step 3: Cross multiply
    222,718,856.80x = 334,078,285.20 × 199,288,213.60
  4. Step 4: Simplify right side
    222,718,856.80x = 66,577,864,660,059,312
  5. Step 5: Solve for x
    x = 66,577,864,660,059,312/222,718,856.80
  6. Step 6: Final answer
    x = 298,932,320.40

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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.