Home / 278,922,540.51-384,036,944.45-237,018,220.83

Finding the Fourth Proportional to 278,922,540.51, 384,036,944.45 and 237,018,220.83

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Solution

The fourth proportional to 278,922,540.51, 384,036,944.45 and 237,018,220.83 is: 326,340,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,922,540.51 : 384,036,944.45 = 237,018,220.83 : x
  2. Step 2: Convert to fraction form
    278,922,540.51/384,036,944.45 = 237,018,220.83/x
  3. Step 3: Cross multiply
    278,922,540.51x = 384,036,944.45 × 237,018,220.83
  4. Step 4: Simplify right side
    278,922,540.51x = 91,023,753,305,343,456
  5. Step 5: Solve for x
    x = 91,023,753,305,343,456/278,922,540.51
  6. Step 6: Final answer
    x = 326,340,614.63

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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.