Home / 384,886,919.26-572,379,205.85-372,628,568.30

Finding the Fourth Proportional to 384,886,919.26, 572,379,205.85 and 372,628,568.30

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Solution

The fourth proportional to 384,886,919.26, 572,379,205.85 and 372,628,568.30 is: 554,149,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,886,919.26 : 572,379,205.85 = 372,628,568.30 : x
  2. Step 2: Convert to fraction form
    384,886,919.26/572,379,205.85 = 372,628,568.30/x
  3. Step 3: Cross multiply
    384,886,919.26x = 572,379,205.85 × 372,628,568.30
  4. Step 4: Simplify right side
    384,886,919.26x = 213,284,843,997,248,800
  5. Step 5: Solve for x
    x = 213,284,843,997,248,800/384,886,919.26
  6. Step 6: Final answer
    x = 554,149,370.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.