Home / 320,851,858,828.32-442,786,183,867.45-176,341,110,777.61

Finding the Fourth Proportional to 320,851,858,828.32, 442,786,183,867.45 and 176,341,110,777.61

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Solution

The fourth proportional to 320,851,858,828.32, 442,786,183,867.45 and 176,341,110,777.61 is: 243,356,568,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,851,858,828.32 : 442,786,183,867.45 = 176,341,110,777.61 : x
  2. Step 2: Convert to fraction form
    320,851,858,828.32/442,786,183,867.45 = 176,341,110,777.61/x
  3. Step 3: Cross multiply
    320,851,858,828.32x = 442,786,183,867.45 × 176,341,110,777.61
  4. Step 4: Simplify right side
    320,851,858,828.32x = 78,081,407,500,165,182,390,272
  5. Step 5: Solve for x
    x = 78,081,407,500,165,182,390,272/320,851,858,828.32
  6. Step 6: Final answer
    x = 243,356,568,932.78

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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.