Home / 780,188,120.34-1,170,157,605.53-227,361,236.45

Finding the Fourth Proportional to 780,188,120.34, 1,170,157,605.53 and 227,361,236.45

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Solution

The fourth proportional to 780,188,120.34, 1,170,157,605.53 and 227,361,236.45 is: 341,005,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,188,120.34 : 1,170,157,605.53 = 227,361,236.45 : x
  2. Step 2: Convert to fraction form
    780,188,120.34/1,170,157,605.53 = 227,361,236.45/x
  3. Step 3: Cross multiply
    780,188,120.34x = 1,170,157,605.53 × 227,361,236.45
  4. Step 4: Simplify right side
    780,188,120.34x = 266,048,480,038,165,952
  5. Step 5: Solve for x
    x = 266,048,480,038,165,952/780,188,120.34
  6. Step 6: Final answer
    x = 341,005,551.23

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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.