Home / 472,394,728.80-708,592,093.20-403,519,975.20

Finding the Fourth Proportional to 472,394,728.80, 708,592,093.20 and 403,519,975.20

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Solution

The fourth proportional to 472,394,728.80, 708,592,093.20 and 403,519,975.20 is: 605,279,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,728.80 : 708,592,093.20 = 403,519,975.20 : x
  2. Step 2: Convert to fraction form
    472,394,728.80/708,592,093.20 = 403,519,975.20/x
  3. Step 3: Cross multiply
    472,394,728.80x = 708,592,093.20 × 403,519,975.20
  4. Step 4: Simplify right side
    472,394,728.80x = 285,931,063,874,980,096
  5. Step 5: Solve for x
    x = 285,931,063,874,980,096/472,394,728.80
  6. Step 6: Final answer
    x = 605,279,962.80

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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.