Home / 328,955,612,649.44-453,850,231,306.56-198,695,795,480.64

Finding the Fourth Proportional to 328,955,612,649.44, 453,850,231,306.56 and 198,695,795,480.64

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Solution

The fourth proportional to 328,955,612,649.44, 453,850,231,306.56 and 198,695,795,480.64 is: 274,134,653,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955,612,649.44 : 453,850,231,306.56 = 198,695,795,480.64 : x
  2. Step 2: Convert to fraction form
    328,955,612,649.44/453,850,231,306.56 = 198,695,795,480.64/x
  3. Step 3: Cross multiply
    328,955,612,649.44x = 453,850,231,306.56 × 198,695,795,480.64
  4. Step 4: Simplify right side
    328,955,612,649.44x = 90,178,132,738,529,405,435,904
  5. Step 5: Solve for x
    x = 90,178,132,738,529,405,435,904/328,955,612,649.44
  6. Step 6: Final answer
    x = 274,134,653,037.92

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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.