Home / 3,994,179,385.70-5,991,269,078.55-1,666,786,670.30

Finding the Fourth Proportional to 3,994,179,385.70, 5,991,269,078.55 and 1,666,786,670.30

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Solution

The fourth proportional to 3,994,179,385.70, 5,991,269,078.55 and 1,666,786,670.30 is: 2,500,180,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,179,385.70 : 5,991,269,078.55 = 1,666,786,670.30 : x
  2. Step 2: Convert to fraction form
    3,994,179,385.70/5,991,269,078.55 = 1,666,786,670.30/x
  3. Step 3: Cross multiply
    3,994,179,385.70x = 5,991,269,078.55 × 1,666,786,670.30
  4. Step 4: Simplify right side
    3,994,179,385.70x = 9,986,167,438,307,702,784
  5. Step 5: Solve for x
    x = 9,986,167,438,307,702,784/3,994,179,385.70
  6. Step 6: Final answer
    x = 2,500,180,005.45

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Double scale
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Similar ratio
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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.