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Finding the Fourth Proportional to 702,082,118.53, 968,406,801.00 and 451,503,306.80

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Solution

The fourth proportional to 702,082,118.53, 968,406,801.00 and 451,503,306.80 is: 622,774,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,082,118.53 : 968,406,801.00 = 451,503,306.80 : x
  2. Step 2: Convert to fraction form
    702,082,118.53/968,406,801.00 = 451,503,306.80/x
  3. Step 3: Cross multiply
    702,082,118.53x = 968,406,801.00 × 451,503,306.80
  4. Step 4: Simplify right side
    702,082,118.53x = 437,238,872,978,756,864
  5. Step 5: Solve for x
    x = 437,238,872,978,756,864/702,082,118.53
  6. Step 6: Final answer
    x = 622,774,546.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.