Home / 338,501,471.50-466,934,118.51-212,854,811.38

Finding the Fourth Proportional to 338,501,471.50, 466,934,118.51 and 212,854,811.38

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Solution

The fourth proportional to 338,501,471.50, 466,934,118.51 and 212,854,811.38 is: 293,615,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,501,471.50 : 466,934,118.51 = 212,854,811.38 : x
  2. Step 2: Convert to fraction form
    338,501,471.50/466,934,118.51 = 212,854,811.38/x
  3. Step 3: Cross multiply
    338,501,471.50x = 466,934,118.51 × 212,854,811.38
  4. Step 4: Simplify right side
    338,501,471.50x = 99,389,173,722,332,608
  5. Step 5: Solve for x
    x = 99,389,173,722,332,608/338,501,471.50
  6. Step 6: Final answer
    x = 293,615,189.56

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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.