Home / 393,644,734.80-590,467,102.20-364,979,288.40

Finding the Fourth Proportional to 393,644,734.80, 590,467,102.20 and 364,979,288.40

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Solution

The fourth proportional to 393,644,734.80, 590,467,102.20 and 364,979,288.40 is: 547,468,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,644,734.80 : 590,467,102.20 = 364,979,288.40 : x
  2. Step 2: Convert to fraction form
    393,644,734.80/590,467,102.20 = 364,979,288.40/x
  3. Step 3: Cross multiply
    393,644,734.80x = 590,467,102.20 × 364,979,288.40
  4. Step 4: Simplify right side
    393,644,734.80x = 215,508,262,784,566,080
  5. Step 5: Solve for x
    x = 215,508,262,784,566,080/393,644,734.80
  6. Step 6: Final answer
    x = 547,468,932.60

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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.