Home / 396,144,266.70-594,216,400.05-191,693,009.10

Finding the Fourth Proportional to 396,144,266.70, 594,216,400.05 and 191,693,009.10

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Solution

The fourth proportional to 396,144,266.70, 594,216,400.05 and 191,693,009.10 is: 287,539,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,144,266.70 : 594,216,400.05 = 191,693,009.10 : x
  2. Step 2: Convert to fraction form
    396,144,266.70/594,216,400.05 = 191,693,009.10/x
  3. Step 3: Cross multiply
    396,144,266.70x = 594,216,400.05 × 191,693,009.10
  4. Step 4: Simplify right side
    396,144,266.70x = 113,907,129,782,153,872
  5. Step 5: Solve for x
    x = 113,907,129,782,153,872/396,144,266.70
  6. Step 6: Final answer
    x = 287,539,513.65

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Double scale
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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.