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Finding the Fourth Proportional to 1,008,907,798.60, 1,513,361,697.90 and 848,200,040.20

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Solution

The fourth proportional to 1,008,907,798.60, 1,513,361,697.90 and 848,200,040.20 is: 1,272,300,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,798.60 : 1,513,361,697.90 = 848,200,040.20 : x
  2. Step 2: Convert to fraction form
    1,008,907,798.60/1,513,361,697.90 = 848,200,040.20/x
  3. Step 3: Cross multiply
    1,008,907,798.60x = 1,513,361,697.90 × 848,200,040.20
  4. Step 4: Simplify right side
    1,008,907,798.60x = 1,283,633,452,995,920,384
  5. Step 5: Solve for x
    x = 1,283,633,452,995,920,384/1,008,907,798.60
  6. Step 6: Final answer
    x = 1,272,300,060.30

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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.