Home / 389,045,916.36-582,633,787.17-222,544,621.83

Finding the Fourth Proportional to 389,045,916.36, 582,633,787.17 and 222,544,621.83

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Solution

The fourth proportional to 389,045,916.36, 582,633,787.17 and 222,544,621.83 is: 333,282,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,045,916.36 : 582,633,787.17 = 222,544,621.83 : x
  2. Step 2: Convert to fraction form
    389,045,916.36/582,633,787.17 = 222,544,621.83/x
  3. Step 3: Cross multiply
    389,045,916.36x = 582,633,787.17 × 222,544,621.83
  4. Step 4: Simplify right side
    389,045,916.36x = 129,662,015,831,128,352
  5. Step 5: Solve for x
    x = 129,662,015,831,128,352/389,045,916.36
  6. Step 6: Final answer
    x = 333,282,037.87

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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.