Home / 1,165,504,525.48-1,608,400,425.94-636,868,500.60

Finding the Fourth Proportional to 1,165,504,525.48, 1,608,400,425.94 and 636,868,500.60

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Solution

The fourth proportional to 1,165,504,525.48, 1,608,400,425.94 and 636,868,500.60 is: 878,880,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,504,525.48 : 1,608,400,425.94 = 636,868,500.60 : x
  2. Step 2: Convert to fraction form
    1,165,504,525.48/1,608,400,425.94 = 636,868,500.60/x
  3. Step 3: Cross multiply
    1,165,504,525.48x = 1,608,400,425.94 × 636,868,500.60
  4. Step 4: Simplify right side
    1,165,504,525.48x = 1,024,339,567,632,809,216
  5. Step 5: Solve for x
    x = 1,024,339,567,632,809,216/1,165,504,525.48
  6. Step 6: Final answer
    x = 878,880,815.34

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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.