Home / 370,545,150.72-511,319,740.56-211,743,760.23

Finding the Fourth Proportional to 370,545,150.72, 511,319,740.56 and 211,743,760.23

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Solution

The fourth proportional to 370,545,150.72, 511,319,740.56 and 211,743,760.23 is: 292,187,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,545,150.72 : 511,319,740.56 = 211,743,760.23 : x
  2. Step 2: Convert to fraction form
    370,545,150.72/511,319,740.56 = 211,743,760.23/x
  3. Step 3: Cross multiply
    370,545,150.72x = 511,319,740.56 × 211,743,760.23
  4. Step 4: Simplify right side
    370,545,150.72x = 108,268,764,546,997,632
  5. Step 5: Solve for x
    x = 108,268,764,546,997,632/370,545,150.72
  6. Step 6: Final answer
    x = 292,187,778.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.