Home / 286,800,959,979.88-395,820,030,720.96-163,232,143,279

Finding the Fourth Proportional to 286,800,959,979.88, 395,820,030,720.96 and 163,232,143,279

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Solution

The fourth proportional to 286,800,959,979.88, 395,820,030,720.96 and 163,232,143,279 is: 225,280,110,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,800,959,979.88 : 395,820,030,720.96 = 163,232,143,279 : x
  2. Step 2: Convert to fraction form
    286,800,959,979.88/395,820,030,720.96 = 163,232,143,279/x
  3. Step 3: Cross multiply
    286,800,959,979.88x = 395,820,030,720.96 × 163,232,143,279
  4. Step 4: Simplify right side
    286,800,959,979.88x = 64,610,551,967,341,927,727,104
  5. Step 5: Solve for x
    x = 64,610,551,967,341,927,727,104/286,800,959,979.88
  6. Step 6: Final answer
    x = 225,280,110,540.34

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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.