Home / 639,089,820.35-958,634,730.53-366,992,028.35

Finding the Fourth Proportional to 639,089,820.35, 958,634,730.53 and 366,992,028.35

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Solution

The fourth proportional to 639,089,820.35, 958,634,730.53 and 366,992,028.35 is: 550,488,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,089,820.35 : 958,634,730.53 = 366,992,028.35 : x
  2. Step 2: Convert to fraction form
    639,089,820.35/958,634,730.53 = 366,992,028.35/x
  3. Step 3: Cross multiply
    639,089,820.35x = 958,634,730.53 × 366,992,028.35
  4. Step 4: Simplify right side
    639,089,820.35x = 351,811,304,203,960,384
  5. Step 5: Solve for x
    x = 351,811,304,203,960,384/639,089,820.35
  6. Step 6: Final answer
    x = 550,488,042.53

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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.