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Finding the Fourth Proportional to 665,889,080.80, 933,775,263.20 and 665,889,080.80

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Solution

The fourth proportional to 665,889,080.80, 933,775,263.20 and 665,889,080.80 is: 933,775,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,889,080.80 : 933,775,263.20 = 665,889,080.80 : x
  2. Step 2: Convert to fraction form
    665,889,080.80/933,775,263.20 = 665,889,080.80/x
  3. Step 3: Cross multiply
    665,889,080.80x = 933,775,263.20 × 665,889,080.80
  4. Step 4: Simplify right side
    665,889,080.80x = 621,790,751,686,026,112
  5. Step 5: Solve for x
    x = 621,790,751,686,026,112/665,889,080.80
  6. Step 6: Final answer
    x = 933,775,263.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.