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Finding the Fourth Proportional to 567,993,644.40, 851,990,466.60 and 508,684,828.80

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Solution

The fourth proportional to 567,993,644.40, 851,990,466.60 and 508,684,828.80 is: 763,027,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,993,644.40 : 851,990,466.60 = 508,684,828.80 : x
  2. Step 2: Convert to fraction form
    567,993,644.40/851,990,466.60 = 508,684,828.80/x
  3. Step 3: Cross multiply
    567,993,644.40x = 851,990,466.60 × 508,684,828.80
  4. Step 4: Simplify right side
    567,993,644.40x = 433,394,624,641,653,120
  5. Step 5: Solve for x
    x = 433,394,624,641,653,120/567,993,644.40
  6. Step 6: Final answer
    x = 763,027,243.20

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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.