Home / 1,448,544,039.48-1,999,039,059.36-813,576,427.56

Finding the Fourth Proportional to 1,448,544,039.48, 1,999,039,059.36 and 813,576,427.56

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Solution

The fourth proportional to 1,448,544,039.48, 1,999,039,059.36 and 813,576,427.56 is: 1,122,762,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,544,039.48 : 1,999,039,059.36 = 813,576,427.56 : x
  2. Step 2: Convert to fraction form
    1,448,544,039.48/1,999,039,059.36 = 813,576,427.56/x
  3. Step 3: Cross multiply
    1,448,544,039.48x = 1,999,039,059.36 × 813,576,427.56
  4. Step 4: Simplify right side
    1,448,544,039.48x = 1,626,371,056,467,011,328
  5. Step 5: Solve for x
    x = 1,626,371,056,467,011,328/1,448,544,039.48
  6. Step 6: Final answer
    x = 1,122,762,589.29

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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.