Home / 693,361,918.80-1,040,042,878.20-233,147,134.80

Finding the Fourth Proportional to 693,361,918.80, 1,040,042,878.20 and 233,147,134.80

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Solution

The fourth proportional to 693,361,918.80, 1,040,042,878.20 and 233,147,134.80 is: 349,720,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,361,918.80 : 1,040,042,878.20 = 233,147,134.80 : x
  2. Step 2: Convert to fraction form
    693,361,918.80/1,040,042,878.20 = 233,147,134.80/x
  3. Step 3: Cross multiply
    693,361,918.80x = 1,040,042,878.20 × 233,147,134.80
  4. Step 4: Simplify right side
    693,361,918.80x = 242,483,017,121,475,392
  5. Step 5: Solve for x
    x = 242,483,017,121,475,392/693,361,918.80
  6. Step 6: Final answer
    x = 349,720,702.20

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Double scale
Find fourth proportional to 693,361,919.80, 1,040,042,879.70 and 233,147,135.80
Similar ratio
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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.