Home / 780,188,124.91-1,170,157,612.42-227,361,241.06

Finding the Fourth Proportional to 780,188,124.91, 1,170,157,612.42 and 227,361,241.06

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Solution

The fourth proportional to 780,188,124.91, 1,170,157,612.42 and 227,361,241.06 is: 341,005,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,188,124.91 : 1,170,157,612.42 = 227,361,241.06 : x
  2. Step 2: Convert to fraction form
    780,188,124.91/1,170,157,612.42 = 227,361,241.06/x
  3. Step 3: Cross multiply
    780,188,124.91x = 1,170,157,612.42 × 227,361,241.06
  4. Step 4: Simplify right side
    780,188,124.91x = 266,048,486,995,617,696
  5. Step 5: Solve for x
    x = 266,048,486,995,617,696/780,188,124.91
  6. Step 6: Final answer
    x = 341,005,558.15

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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.