Home / 1,165,504,524.48-1,608,400,424.56-636,868,499.60

Finding the Fourth Proportional to 1,165,504,524.48, 1,608,400,424.56 and 636,868,499.60

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Solution

The fourth proportional to 1,165,504,524.48, 1,608,400,424.56 and 636,868,499.60 is: 878,880,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,504,524.48 : 1,608,400,424.56 = 636,868,499.60 : x
  2. Step 2: Convert to fraction form
    1,165,504,524.48/1,608,400,424.56 = 636,868,499.60/x
  3. Step 3: Cross multiply
    1,165,504,524.48x = 1,608,400,424.56 × 636,868,499.60
  4. Step 4: Simplify right side
    1,165,504,524.48x = 1,024,339,565,145,530,240
  5. Step 5: Solve for x
    x = 1,024,339,565,145,530,240/1,165,504,524.48
  6. Step 6: Final answer
    x = 878,880,813.96

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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.