Home / 2,219,375,793.51-3,062,742,211.85-1,215,771,331.41

Finding the Fourth Proportional to 2,219,375,793.51, 3,062,742,211.85 and 1,215,771,331.41

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Solution

The fourth proportional to 2,219,375,793.51, 3,062,742,211.85 and 1,215,771,331.41 is: 1,677,766,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,375,793.51 : 3,062,742,211.85 = 1,215,771,331.41 : x
  2. Step 2: Convert to fraction form
    2,219,375,793.51/3,062,742,211.85 = 1,215,771,331.41/x
  3. Step 3: Cross multiply
    2,219,375,793.51x = 3,062,742,211.85 × 1,215,771,331.41
  4. Step 4: Simplify right side
    2,219,375,793.51x = 3,723,594,176,660,403,712
  5. Step 5: Solve for x
    x = 3,723,594,176,660,403,712/2,219,375,793.51
  6. Step 6: Final answer
    x = 1,677,766,418.63

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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.