Home / 395,080,637.46-545,244,760.50-218,923,889.19

Finding the Fourth Proportional to 395,080,637.46, 545,244,760.50 and 218,923,889.19

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Solution

The fourth proportional to 395,080,637.46, 545,244,760.50 and 218,923,889.19 is: 302,133,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,080,637.46 : 545,244,760.50 = 218,923,889.19 : x
  2. Step 2: Convert to fraction form
    395,080,637.46/545,244,760.50 = 218,923,889.19/x
  3. Step 3: Cross multiply
    395,080,637.46x = 545,244,760.50 × 218,923,889.19
  4. Step 4: Simplify right side
    395,080,637.46x = 119,367,103,529,130,080
  5. Step 5: Solve for x
    x = 119,367,103,529,130,080/395,080,637.46
  6. Step 6: Final answer
    x = 302,133,519.62

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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.