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Finding the Fourth Proportional to 995,713,699.05, 1,391,278,200.75 and 995,713,699.05

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Solution

The fourth proportional to 995,713,699.05, 1,391,278,200.75 and 995,713,699.05 is: 1,391,278,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,713,699.05 : 1,391,278,200.75 = 995,713,699.05 : x
  2. Step 2: Convert to fraction form
    995,713,699.05/1,391,278,200.75 = 995,713,699.05/x
  3. Step 3: Cross multiply
    995,713,699.05x = 1,391,278,200.75 × 995,713,699.05
  4. Step 4: Simplify right side
    995,713,699.05x = 1,385,314,763,676,410,880
  5. Step 5: Solve for x
    x = 1,385,314,763,676,410,880/995,713,699.05
  6. Step 6: Final answer
    x = 1,391,278,200.75

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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.