Home / 328,955,612,659.44-453,850,231,320.36-198,695,795,490.64

Finding the Fourth Proportional to 328,955,612,659.44, 453,850,231,320.36 and 198,695,795,490.64

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Solution

The fourth proportional to 328,955,612,659.44, 453,850,231,320.36 and 198,695,795,490.64 is: 274,134,653,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955,612,659.44 : 453,850,231,320.36 = 198,695,795,490.64 : x
  2. Step 2: Convert to fraction form
    328,955,612,659.44/453,850,231,320.36 = 198,695,795,490.64/x
  3. Step 3: Cross multiply
    328,955,612,659.44x = 453,850,231,320.36 × 198,695,795,490.64
  4. Step 4: Simplify right side
    328,955,612,659.44x = 90,178,132,745,809,911,873,536
  5. Step 5: Solve for x
    x = 90,178,132,745,809,911,873,536/328,955,612,659.44
  6. Step 6: Final answer
    x = 274,134,653,051.72

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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.