Home / 692,221,331.08-1,037,998,960.26-231,837,535.72

Finding the Fourth Proportional to 692,221,331.08, 1,037,998,960.26 and 231,837,535.72

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Solution

The fourth proportional to 692,221,331.08, 1,037,998,960.26 and 231,837,535.72 is: 347,644,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,221,331.08 : 1,037,998,960.26 = 231,837,535.72 : x
  2. Step 2: Convert to fraction form
    692,221,331.08/1,037,998,960.26 = 231,837,535.72/x
  3. Step 3: Cross multiply
    692,221,331.08x = 1,037,998,960.26 × 231,837,535.72
  4. Step 4: Simplify right side
    692,221,331.08x = 240,647,121,026,600,608
  5. Step 5: Solve for x
    x = 240,647,121,026,600,608/692,221,331.08
  6. Step 6: Final answer
    x = 347,644,763.64

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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.