Home / 539,136,010.20-808,704,015.30-449,556,490.20

Finding the Fourth Proportional to 539,136,010.20, 808,704,015.30 and 449,556,490.20

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Solution

The fourth proportional to 539,136,010.20, 808,704,015.30 and 449,556,490.20 is: 674,334,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,010.20 : 808,704,015.30 = 449,556,490.20 : x
  2. Step 2: Convert to fraction form
    539,136,010.20/808,704,015.30 = 449,556,490.20/x
  3. Step 3: Cross multiply
    539,136,010.20x = 808,704,015.30 × 449,556,490.20
  4. Step 4: Simplify right side
    539,136,010.20x = 363,558,138,728,915,072
  5. Step 5: Solve for x
    x = 363,558,138,728,915,072/539,136,010.20
  6. Step 6: Final answer
    x = 674,334,735.30

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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.