Home / 220,901,134,115.55-304,851,086,732.70-128,194,810,958.63

Finding the Fourth Proportional to 220,901,134,115.55, 304,851,086,732.70 and 128,194,810,958.63

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Solution

The fourth proportional to 220,901,134,115.55, 304,851,086,732.70 and 128,194,810,958.63 is: 176,913,204,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,901,134,115.55 : 304,851,086,732.70 = 128,194,810,958.63 : x
  2. Step 2: Convert to fraction form
    220,901,134,115.55/304,851,086,732.70 = 128,194,810,958.63/x
  3. Step 3: Cross multiply
    220,901,134,115.55x = 304,851,086,732.70 × 128,194,810,958.63
  4. Step 4: Simplify right side
    220,901,134,115.55x = 39,080,327,434,231,399,579,648
  5. Step 5: Solve for x
    x = 39,080,327,434,231,399,579,648/220,901,134,115.55
  6. Step 6: Final answer
    x = 176,913,204,138.60

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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.