Home / 659,339,611.20-989,009,416.80-271,440,825.30

Finding the Fourth Proportional to 659,339,611.20, 989,009,416.80 and 271,440,825.30

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Solution

The fourth proportional to 659,339,611.20, 989,009,416.80 and 271,440,825.30 is: 407,161,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,339,611.20 : 989,009,416.80 = 271,440,825.30 : x
  2. Step 2: Convert to fraction form
    659,339,611.20/989,009,416.80 = 271,440,825.30/x
  3. Step 3: Cross multiply
    659,339,611.20x = 989,009,416.80 × 271,440,825.30
  4. Step 4: Simplify right side
    659,339,611.20x = 268,457,532,325,663,680
  5. Step 5: Solve for x
    x = 268,457,532,325,663,680/659,339,611.20
  6. Step 6: Final answer
    x = 407,161,237.95

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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.