Home / 521,520,802,302.30-782,281,203,453.45-149,291,022,846.30

Finding the Fourth Proportional to 521,520,802,302.30, 782,281,203,453.45 and 149,291,022,846.30

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Solution

The fourth proportional to 521,520,802,302.30, 782,281,203,453.45 and 149,291,022,846.30 is: 223,936,534,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,802,302.30 : 782,281,203,453.45 = 149,291,022,846.30 : x
  2. Step 2: Convert to fraction form
    521,520,802,302.30/782,281,203,453.45 = 149,291,022,846.30/x
  3. Step 3: Cross multiply
    521,520,802,302.30x = 782,281,203,453.45 × 149,291,022,846.30
  4. Step 4: Simplify right side
    521,520,802,302.30x = 116,787,561,017,000,052,391,936
  5. Step 5: Solve for x
    x = 116,787,561,017,000,052,391,936/521,520,802,302.30
  6. Step 6: Final answer
    x = 223,936,534,269.45

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Double scale
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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.