Home / 319,643,233.20-479,464,849.80-147,456,349.20

Finding the Fourth Proportional to 319,643,233.20, 479,464,849.80 and 147,456,349.20

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Solution

The fourth proportional to 319,643,233.20, 479,464,849.80 and 147,456,349.20 is: 221,184,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,643,233.20 : 479,464,849.80 = 147,456,349.20 : x
  2. Step 2: Convert to fraction form
    319,643,233.20/479,464,849.80 = 147,456,349.20/x
  3. Step 3: Cross multiply
    319,643,233.20x = 479,464,849.80 × 147,456,349.20
  4. Step 4: Simplify right side
    319,643,233.20x = 70,700,136,321,234,344
  5. Step 5: Solve for x
    x = 70,700,136,321,234,344/319,643,233.20
  6. Step 6: Final answer
    x = 221,184,523.80

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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.