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Finding the Fourth Proportional to 590,976,635.80, 886,464,953.70 and 547,978,466.20

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Solution

The fourth proportional to 590,976,635.80, 886,464,953.70 and 547,978,466.20 is: 821,967,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,976,635.80 : 886,464,953.70 = 547,978,466.20 : x
  2. Step 2: Convert to fraction form
    590,976,635.80/886,464,953.70 = 547,978,466.20/x
  3. Step 3: Cross multiply
    590,976,635.80x = 886,464,953.70 × 547,978,466.20
  4. Step 4: Simplify right side
    590,976,635.80x = 485,763,705,668,580,096
  5. Step 5: Solve for x
    x = 485,763,705,668,580,096/590,976,635.80
  6. Step 6: Final answer
    x = 821,967,699.30

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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.