Home / 2,640,226,975.35-3,960,341,196.89-981,917,589.63

Finding the Fourth Proportional to 2,640,226,975.35, 3,960,341,196.89 and 981,917,589.63

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Solution

The fourth proportional to 2,640,226,975.35, 3,960,341,196.89 and 981,917,589.63 is: 1,472,876,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,226,975.35 : 3,960,341,196.89 = 981,917,589.63 : x
  2. Step 2: Convert to fraction form
    2,640,226,975.35/3,960,341,196.89 = 981,917,589.63/x
  3. Step 3: Cross multiply
    2,640,226,975.35x = 3,960,341,196.89 × 981,917,589.63
  4. Step 4: Simplify right side
    2,640,226,975.35x = 3,888,728,682,157,708,800
  5. Step 5: Solve for x
    x = 3,888,728,682,157,708,800/2,640,226,975.35
  6. Step 6: Final answer
    x = 1,472,876,657.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.