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Finding the Fourth Proportional to 803,234,664.60, 1,204,851,996.90 and 803,234,664.60

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Solution

The fourth proportional to 803,234,664.60, 1,204,851,996.90 and 803,234,664.60 is: 1,204,851,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,234,664.60 : 1,204,851,996.90 = 803,234,664.60 : x
  2. Step 2: Convert to fraction form
    803,234,664.60/1,204,851,996.90 = 803,234,664.60/x
  3. Step 3: Cross multiply
    803,234,664.60x = 1,204,851,996.90 × 803,234,664.60
  4. Step 4: Simplify right side
    803,234,664.60x = 967,778,889,622,611,840
  5. Step 5: Solve for x
    x = 967,778,889,622,611,840/803,234,664.60
  6. Step 6: Final answer
    x = 1,204,851,996.90

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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.