Home / 1,083,356,820.99-1,624,522,965.30-419,681,688.03

Finding the Fourth Proportional to 1,083,356,820.99, 1,624,522,965.30 and 419,681,688.03

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Solution

The fourth proportional to 1,083,356,820.99, 1,624,522,965.30 and 419,681,688.03 is: 629,324,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,356,820.99 : 1,624,522,965.30 = 419,681,688.03 : x
  2. Step 2: Convert to fraction form
    1,083,356,820.99/1,624,522,965.30 = 419,681,688.03/x
  3. Step 3: Cross multiply
    1,083,356,820.99x = 1,624,522,965.30 × 419,681,688.03
  4. Step 4: Simplify right side
    1,083,356,820.99x = 681,782,540,320,605,056
  5. Step 5: Solve for x
    x = 681,782,540,320,605,056/1,083,356,820.99
  6. Step 6: Final answer
    x = 629,324,085.21

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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.