Home / 321,557,416.20-482,336,124.30-291,903,008.40

Finding the Fourth Proportional to 321,557,416.20, 482,336,124.30 and 291,903,008.40

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Solution

The fourth proportional to 321,557,416.20, 482,336,124.30 and 291,903,008.40 is: 437,854,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,557,416.20 : 482,336,124.30 = 291,903,008.40 : x
  2. Step 2: Convert to fraction form
    321,557,416.20/482,336,124.30 = 291,903,008.40/x
  3. Step 3: Cross multiply
    321,557,416.20x = 482,336,124.30 × 291,903,008.40
  4. Step 4: Simplify right side
    321,557,416.20x = 140,795,365,743,166,336
  5. Step 5: Solve for x
    x = 140,795,365,743,166,336/321,557,416.20
  6. Step 6: Final answer
    x = 437,854,512.60

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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.