Home / 217,514,480,998.55-300,185,848,647.02-126,086,635,523.86

Finding the Fourth Proportional to 217,514,480,998.55, 300,185,848,647.02 and 126,086,635,523.86

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Solution

The fourth proportional to 217,514,480,998.55, 300,185,848,647.02 and 126,086,635,523.86 is: 174,008,753,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,514,480,998.55 : 300,185,848,647.02 = 126,086,635,523.86 : x
  2. Step 2: Convert to fraction form
    217,514,480,998.55/300,185,848,647.02 = 126,086,635,523.86/x
  3. Step 3: Cross multiply
    217,514,480,998.55x = 300,185,848,647.02 × 126,086,635,523.86
  4. Step 4: Simplify right side
    217,514,480,998.55x = 37,849,423,687,777,419,001,856
  5. Step 5: Solve for x
    x = 37,849,423,687,777,419,001,856/217,514,480,998.55
  6. Step 6: Final answer
    x = 174,008,753,412.74

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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.