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Finding the Fourth Proportional to 850,169,320.35, 1,275,253,980.53 and 850,169,320.35

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Solution

The fourth proportional to 850,169,320.35, 1,275,253,980.53 and 850,169,320.35 is: 1,275,253,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,169,320.35 : 1,275,253,980.53 = 850,169,320.35 : x
  2. Step 2: Convert to fraction form
    850,169,320.35/1,275,253,980.53 = 850,169,320.35/x
  3. Step 3: Cross multiply
    850,169,320.35x = 1,275,253,980.53 × 850,169,320.35
  4. Step 4: Simplify right side
    850,169,320.35x = 1,084,181,809,896,571,520
  5. Step 5: Solve for x
    x = 1,084,181,809,896,571,520/850,169,320.35
  6. Step 6: Final answer
    x = 1,275,253,980.53

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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.