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Finding the Fourth Proportional to 490,372,420,673.70, 735,558,631,010.55 and 490,372,420,673.70

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Solution

The fourth proportional to 490,372,420,673.70, 735,558,631,010.55 and 490,372,420,673.70 is: 735,558,631,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,372,420,673.70 : 735,558,631,010.55 = 490,372,420,673.70 : x
  2. Step 2: Convert to fraction form
    490,372,420,673.70/735,558,631,010.55 = 490,372,420,673.70/x
  3. Step 3: Cross multiply
    490,372,420,673.70x = 735,558,631,010.55 × 490,372,420,673.70
  4. Step 4: Simplify right side
    490,372,420,673.70x = 360,697,666,436,076,339,724,288
  5. Step 5: Solve for x
    x = 360,697,666,436,076,339,724,288/490,372,420,673.70
  6. Step 6: Final answer
    x = 735,558,631,010.55

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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.