Home / 389,504,109.87-583,328,811.20-225,395,916.39

Finding the Fourth Proportional to 389,504,109.87, 583,328,811.20 and 225,395,916.39

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Solution

The fourth proportional to 389,504,109.87, 583,328,811.20 and 225,395,916.39 is: 337,557,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,504,109.87 : 583,328,811.20 = 225,395,916.39 : x
  2. Step 2: Convert to fraction form
    389,504,109.87/583,328,811.20 = 225,395,916.39/x
  3. Step 3: Cross multiply
    389,504,109.87x = 583,328,811.20 × 225,395,916.39
  4. Step 4: Simplify right side
    389,504,109.87x = 131,479,931,955,986,320
  5. Step 5: Solve for x
    x = 131,479,931,955,986,320/389,504,109.87
  6. Step 6: Final answer
    x = 337,557,239.13

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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.