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Finding the Fourth Proportional to 536,753,914.40, 805,130,871.60 and 303,345,027.20

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Solution

The fourth proportional to 536,753,914.40, 805,130,871.60 and 303,345,027.20 is: 455,017,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,753,914.40 : 805,130,871.60 = 303,345,027.20 : x
  2. Step 2: Convert to fraction form
    536,753,914.40/805,130,871.60 = 303,345,027.20/x
  3. Step 3: Cross multiply
    536,753,914.40x = 805,130,871.60 × 303,345,027.20
  4. Step 4: Simplify right side
    536,753,914.40x = 244,232,446,145,061,696
  5. Step 5: Solve for x
    x = 244,232,446,145,061,696/536,753,914.40
  6. Step 6: Final answer
    x = 455,017,540.80

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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.