Home / 809,001,976.76-1,116,414,779.82-437,715,861.56

Finding the Fourth Proportional to 809,001,976.76, 1,116,414,779.82 and 437,715,861.56

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Solution

The fourth proportional to 809,001,976.76, 1,116,414,779.82 and 437,715,861.56 is: 604,043,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,001,976.76 : 1,116,414,779.82 = 437,715,861.56 : x
  2. Step 2: Convert to fraction form
    809,001,976.76/1,116,414,779.82 = 437,715,861.56/x
  3. Step 3: Cross multiply
    809,001,976.76x = 1,116,414,779.82 × 437,715,861.56
  4. Step 4: Simplify right side
    809,001,976.76x = 488,672,457,207,228,992
  5. Step 5: Solve for x
    x = 488,672,457,207,228,992/809,001,976.76
  6. Step 6: Final answer
    x = 604,043,588.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.