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Finding the Fourth Proportional to 443,797,692.30, 665,696,538.45 and 185,198,501.70

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Solution

The fourth proportional to 443,797,692.30, 665,696,538.45 and 185,198,501.70 is: 277,797,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,797,692.30 : 665,696,538.45 = 185,198,501.70 : x
  2. Step 2: Convert to fraction form
    443,797,692.30/665,696,538.45 = 185,198,501.70/x
  3. Step 3: Cross multiply
    443,797,692.30x = 665,696,538.45 × 185,198,501.70
  4. Step 4: Simplify right side
    443,797,692.30x = 123,286,001,507,816,448
  5. Step 5: Solve for x
    x = 123,286,001,507,816,448/443,797,692.30
  6. Step 6: Final answer
    x = 277,797,752.55

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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.