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Finding the Fourth Proportional to 995,328,668.80, 1,492,993,003.20 and 565,346,972.80

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Solution

The fourth proportional to 995,328,668.80, 1,492,993,003.20 and 565,346,972.80 is: 848,020,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,668.80 : 1,492,993,003.20 = 565,346,972.80 : x
  2. Step 2: Convert to fraction form
    995,328,668.80/1,492,993,003.20 = 565,346,972.80/x
  3. Step 3: Cross multiply
    995,328,668.80x = 1,492,993,003.20 × 565,346,972.80
  4. Step 4: Simplify right side
    995,328,668.80x = 844,059,074,770,700,672
  5. Step 5: Solve for x
    x = 844,059,074,770,700,672/995,328,668.80
  6. Step 6: Final answer
    x = 848,020,459.20

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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.