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Finding the Fourth Proportional to 562,719,895.80, 844,079,843.70 and 512,555,364.60

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Solution

The fourth proportional to 562,719,895.80, 844,079,843.70 and 512,555,364.60 is: 768,833,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,719,895.80 : 844,079,843.70 = 512,555,364.60 : x
  2. Step 2: Convert to fraction form
    562,719,895.80/844,079,843.70 = 512,555,364.60/x
  3. Step 3: Cross multiply
    562,719,895.80x = 844,079,843.70 × 512,555,364.60
  4. Step 4: Simplify right side
    562,719,895.80x = 432,637,652,039,164,544
  5. Step 5: Solve for x
    x = 432,637,652,039,164,544/562,719,895.80
  6. Step 6: Final answer
    x = 768,833,046.90

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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.