Home / 685,292,522.88-1,027,938,758.40-200,618,330.88

Finding the Fourth Proportional to 685,292,522.88, 1,027,938,758.40 and 200,618,330.88

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Solution

The fourth proportional to 685,292,522.88, 1,027,938,758.40 and 200,618,330.88 is: 300,927,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,292,522.88 : 1,027,938,758.40 = 200,618,330.88 : x
  2. Step 2: Convert to fraction form
    685,292,522.88/1,027,938,758.40 = 200,618,330.88/x
  3. Step 3: Cross multiply
    685,292,522.88x = 1,027,938,758.40 × 200,618,330.88
  4. Step 4: Simplify right side
    685,292,522.88x = 206,223,357,957,067,584
  5. Step 5: Solve for x
    x = 206,223,357,957,067,584/685,292,522.88
  6. Step 6: Final answer
    x = 300,927,488.73

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1.5x scale

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.