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Finding the Fourth Proportional to 554,009,662.40, 831,014,493.60 and 532,846,500.80

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Solution

The fourth proportional to 554,009,662.40, 831,014,493.60 and 532,846,500.80 is: 799,269,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,009,662.40 : 831,014,493.60 = 532,846,500.80 : x
  2. Step 2: Convert to fraction form
    554,009,662.40/831,014,493.60 = 532,846,500.80/x
  3. Step 3: Cross multiply
    554,009,662.40x = 831,014,493.60 × 532,846,500.80
  4. Step 4: Simplify right side
    554,009,662.40x = 442,803,165,028,844,032
  5. Step 5: Solve for x
    x = 442,803,165,028,844,032/554,009,662.40
  6. Step 6: Final answer
    x = 799,269,751.20

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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.