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Finding the Fourth Proportional to 995,713,692.30, 1,391,278,191.30 and 995,713,692.30

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Solution

The fourth proportional to 995,713,692.30, 1,391,278,191.30 and 995,713,692.30 is: 1,391,278,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,713,692.30 : 1,391,278,191.30 = 995,713,692.30 : x
  2. Step 2: Convert to fraction form
    995,713,692.30/1,391,278,191.30 = 995,713,692.30/x
  3. Step 3: Cross multiply
    995,713,692.30x = 1,391,278,191.30 × 995,713,692.30
  4. Step 4: Simplify right side
    995,713,692.30x = 1,385,314,744,875,788,544
  5. Step 5: Solve for x
    x = 1,385,314,744,875,788,544/995,713,692.30
  6. Step 6: Final answer
    x = 1,391,278,191.30

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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.