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Finding the Fourth Proportional to 1,008,907,821.10, 1,513,361,731.65 and 848,200,062.70

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Solution

The fourth proportional to 1,008,907,821.10, 1,513,361,731.65 and 848,200,062.70 is: 1,272,300,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,821.10 : 1,513,361,731.65 = 848,200,062.70 : x
  2. Step 2: Convert to fraction form
    1,008,907,821.10/1,513,361,731.65 = 848,200,062.70/x
  3. Step 3: Cross multiply
    1,008,907,821.10x = 1,513,361,731.65 × 848,200,062.70
  4. Step 4: Simplify right side
    1,008,907,821.10x = 1,283,633,515,673,310,720
  5. Step 5: Solve for x
    x = 1,283,633,515,673,310,720/1,008,907,821.10
  6. Step 6: Final answer
    x = 1,272,300,094.05

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Half scale
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Double scale
Find fourth proportional to 1,008,907,822.10, 1,513,361,733.15 and 848,200,063.70
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.