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Finding the Fourth Proportional to 594,620,978.60, 890,167,871.10 and 441,943,884.20

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Solution

The fourth proportional to 594,620,978.60, 890,167,871.10 and 441,943,884.20 is: 661,605,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,620,978.60 : 890,167,871.10 = 441,943,884.20 : x
  2. Step 2: Convert to fraction form
    594,620,978.60/890,167,871.10 = 441,943,884.20/x
  3. Step 3: Cross multiply
    594,620,978.60x = 890,167,871.10 × 441,943,884.20
  4. Step 4: Simplify right side
    594,620,978.60x = 393,404,246,543,978,944
  5. Step 5: Solve for x
    x = 393,404,246,543,978,944/594,620,978.60
  6. Step 6: Final answer
    x = 661,605,057.17

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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.