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Finding the Fourth Proportional to 1,444,605,325.50, 1,993,567,064.67 and 784,560,327.42

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Solution

The fourth proportional to 1,444,605,325.50, 1,993,567,064.67 and 784,560,327.42 is: 1,082,699,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,605,325.50 : 1,993,567,064.67 = 784,560,327.42 : x
  2. Step 2: Convert to fraction form
    1,444,605,325.50/1,993,567,064.67 = 784,560,327.42/x
  3. Step 3: Cross multiply
    1,444,605,325.50x = 1,993,567,064.67 × 784,560,327.42
  4. Step 4: Simplify right side
    1,444,605,325.50x = 1,564,073,628,991,223,552
  5. Step 5: Solve for x
    x = 1,564,073,628,991,223,552/1,444,605,325.50
  6. Step 6: Final answer
    x = 1,082,699,614.48

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1.5x scale

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.