Home / 403,968,052.80-605,952,079.20-231,975,374.40

Finding the Fourth Proportional to 403,968,052.80, 605,952,079.20 and 231,975,374.40

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Solution

The fourth proportional to 403,968,052.80, 605,952,079.20 and 231,975,374.40 is: 347,963,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,968,052.80 : 605,952,079.20 = 231,975,374.40 : x
  2. Step 2: Convert to fraction form
    403,968,052.80/605,952,079.20 = 231,975,374.40/x
  3. Step 3: Cross multiply
    403,968,052.80x = 605,952,079.20 × 231,975,374.40
  4. Step 4: Simplify right side
    403,968,052.80x = 140,565,960,440,878,464
  5. Step 5: Solve for x
    x = 140,565,960,440,878,464/403,968,052.80
  6. Step 6: Final answer
    x = 347,963,061.60

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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.