Home / 629,798,475.20-944,004,871.20-220,644,017.60

Finding the Fourth Proportional to 629,798,475.20, 944,004,871.20 and 220,644,017.60

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Solution

The fourth proportional to 629,798,475.20, 944,004,871.20 and 220,644,017.60 is: 330,723,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,798,475.20 : 944,004,871.20 = 220,644,017.60 : x
  2. Step 2: Convert to fraction form
    629,798,475.20/944,004,871.20 = 220,644,017.60/x
  3. Step 3: Cross multiply
    629,798,475.20x = 944,004,871.20 × 220,644,017.60
  4. Step 4: Simplify right side
    629,798,475.20x = 208,289,027,415,538,528
  5. Step 5: Solve for x
    x = 208,289,027,415,538,528/629,798,475.20
  6. Step 6: Final answer
    x = 330,723,295.81

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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.