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Finding the Fourth Proportional to 665,844,269.70, 998,766,404.55 and 601,347,015.30

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Solution

The fourth proportional to 665,844,269.70, 998,766,404.55 and 601,347,015.30 is: 902,020,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,844,269.70 : 998,766,404.55 = 601,347,015.30 : x
  2. Step 2: Convert to fraction form
    665,844,269.70/998,766,404.55 = 601,347,015.30/x
  3. Step 3: Cross multiply
    665,844,269.70x = 998,766,404.55 × 601,347,015.30
  4. Step 4: Simplify right side
    665,844,269.70x = 600,605,196,358,054,784
  5. Step 5: Solve for x
    x = 600,605,196,358,054,784/665,844,269.70
  6. Step 6: Final answer
    x = 902,020,522.95

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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.