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Finding the Fourth Proportional to 57,947,563,809.20, 86,921,345,713.80 and 57,947,563,809.20

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Solution

The fourth proportional to 57,947,563,809.20, 86,921,345,713.80 and 57,947,563,809.20 is: 86,921,345,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947,563,809.20 : 86,921,345,713.80 = 57,947,563,809.20 : x
  2. Step 2: Convert to fraction form
    57,947,563,809.20/86,921,345,713.80 = 57,947,563,809.20/x
  3. Step 3: Cross multiply
    57,947,563,809.20x = 86,921,345,713.80 × 57,947,563,809.20
  4. Step 4: Simplify right side
    57,947,563,809.20x = 5,036,880,227,131,958,755,328
  5. Step 5: Solve for x
    x = 5,036,880,227,131,958,755,328/57,947,563,809.20
  6. Step 6: Final answer
    x = 86,921,345,713.80

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1.5x scale

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.