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Finding the Fourth Proportional to 506,807,895.87, 699,394,896.38 and 275,020,887.87

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Solution

The fourth proportional to 506,807,895.87, 699,394,896.38 and 275,020,887.87 is: 379,528,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,807,895.87 : 699,394,896.38 = 275,020,887.87 : x
  2. Step 2: Convert to fraction form
    506,807,895.87/699,394,896.38 = 275,020,887.87/x
  3. Step 3: Cross multiply
    506,807,895.87x = 699,394,896.38 × 275,020,887.87
  4. Step 4: Simplify right side
    506,807,895.87x = 192,348,205,372,799,136
  5. Step 5: Solve for x
    x = 192,348,205,372,799,136/506,807,895.87
  6. Step 6: Final answer
    x = 379,528,825.30

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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.