Home / 780,188,124.42-1,170,157,611.66-227,361,240.56

Finding the Fourth Proportional to 780,188,124.42, 1,170,157,611.66 and 227,361,240.56

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Solution

The fourth proportional to 780,188,124.42, 1,170,157,611.66 and 227,361,240.56 is: 341,005,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,188,124.42 : 1,170,157,611.66 = 227,361,240.56 : x
  2. Step 2: Convert to fraction form
    780,188,124.42/1,170,157,611.66 = 227,361,240.56/x
  3. Step 3: Cross multiply
    780,188,124.42x = 1,170,157,611.66 × 227,361,240.56
  4. Step 4: Simplify right side
    780,188,124.42x = 266,048,486,237,744,352
  5. Step 5: Solve for x
    x = 266,048,486,237,744,352/780,188,124.42
  6. Step 6: Final answer
    x = 341,005,557.39

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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.