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Finding the Fourth Proportional to 536,752,401.80, 803,994,861.90 and 536,752,401.80

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Solution

The fourth proportional to 536,752,401.80, 803,994,861.90 and 536,752,401.80 is: 803,994,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,752,401.80 : 803,994,861.90 = 536,752,401.80 : x
  2. Step 2: Convert to fraction form
    536,752,401.80/803,994,861.90 = 536,752,401.80/x
  3. Step 3: Cross multiply
    536,752,401.80x = 803,994,861.90 × 536,752,401.80
  4. Step 4: Simplify right side
    536,752,401.80x = 431,546,173,159,684,288
  5. Step 5: Solve for x
    x = 431,546,173,159,684,288/536,752,401.80
  6. Step 6: Final answer
    x = 803,994,861.90

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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.