Home / 403,596,002.20-605,394,003.30-383,440,610.20

Finding the Fourth Proportional to 403,596,002.20, 605,394,003.30 and 383,440,610.20

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Solution

The fourth proportional to 403,596,002.20, 605,394,003.30 and 383,440,610.20 is: 575,160,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,596,002.20 : 605,394,003.30 = 383,440,610.20 : x
  2. Step 2: Convert to fraction form
    403,596,002.20/605,394,003.30 = 383,440,610.20/x
  3. Step 3: Cross multiply
    403,596,002.20x = 605,394,003.30 × 383,440,610.20
  4. Step 4: Simplify right side
    403,596,002.20x = 232,132,646,036,772,800
  5. Step 5: Solve for x
    x = 232,132,646,036,772,800/403,596,002.20
  6. Step 6: Final answer
    x = 575,160,915.30

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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.