Home / 619,227,997.80-854,342,254.56-351,259,666.20

Finding the Fourth Proportional to 619,227,997.80, 854,342,254.56 and 351,259,666.20

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Solution

The fourth proportional to 619,227,997.80, 854,342,254.56 and 351,259,666.20 is: 484,629,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,227,997.80 : 854,342,254.56 = 351,259,666.20 : x
  2. Step 2: Convert to fraction form
    619,227,997.80/854,342,254.56 = 351,259,666.20/x
  3. Step 3: Cross multiply
    619,227,997.80x = 854,342,254.56 × 351,259,666.20
  4. Step 4: Simplify right side
    619,227,997.80x = 300,095,975,157,300,992
  5. Step 5: Solve for x
    x = 300,095,975,157,300,992/619,227,997.80
  6. Step 6: Final answer
    x = 484,629,209.63

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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.