Home / 655,353,540.48-983,023,577.82-378,828,803.46

Finding the Fourth Proportional to 655,353,540.48, 983,023,577.82 and 378,828,803.46

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Solution

The fourth proportional to 655,353,540.48, 983,023,577.82 and 378,828,803.46 is: 568,239,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,353,540.48 : 983,023,577.82 = 378,828,803.46 : x
  2. Step 2: Convert to fraction form
    655,353,540.48/983,023,577.82 = 378,828,803.46/x
  3. Step 3: Cross multiply
    655,353,540.48x = 983,023,577.82 × 378,828,803.46
  4. Step 4: Simplify right side
    655,353,540.48x = 372,397,645,760,448,384
  5. Step 5: Solve for x
    x = 372,397,645,760,448,384/655,353,540.48
  6. Step 6: Final answer
    x = 568,239,313.22

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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.