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Finding the Fourth Proportional to 451,810,369.37, 623,745,710.33 and 316,229,279.02

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Solution

The fourth proportional to 451,810,369.37, 623,745,710.33 and 316,229,279.02 is: 436,569,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,810,369.37 : 623,745,710.33 = 316,229,279.02 : x
  2. Step 2: Convert to fraction form
    451,810,369.37/623,745,710.33 = 316,229,279.02/x
  3. Step 3: Cross multiply
    451,810,369.37x = 623,745,710.33 × 316,229,279.02
  4. Step 4: Simplify right side
    451,810,369.37x = 197,246,656,266,333,152
  5. Step 5: Solve for x
    x = 197,246,656,266,333,152/451,810,369.37
  6. Step 6: Final answer
    x = 436,569,564.66

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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.