Home / 804,978,124.30-1,207,467,186.45-259,719,658.30

Finding the Fourth Proportional to 804,978,124.30, 1,207,467,186.45 and 259,719,658.30

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Solution

The fourth proportional to 804,978,124.30, 1,207,467,186.45 and 259,719,658.30 is: 389,579,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,978,124.30 : 1,207,467,186.45 = 259,719,658.30 : x
  2. Step 2: Convert to fraction form
    804,978,124.30/1,207,467,186.45 = 259,719,658.30/x
  3. Step 3: Cross multiply
    804,978,124.30x = 1,207,467,186.45 × 259,719,658.30
  4. Step 4: Simplify right side
    804,978,124.30x = 313,602,965,073,256,448
  5. Step 5: Solve for x
    x = 313,602,965,073,256,448/804,978,124.30
  6. Step 6: Final answer
    x = 389,579,487.45

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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.