Home / 1,123,049,579.68-1,684,727,669.07-467,847,380.80

Finding the Fourth Proportional to 1,123,049,579.68, 1,684,727,669.07 and 467,847,380.80

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Solution

The fourth proportional to 1,123,049,579.68, 1,684,727,669.07 and 467,847,380.80 is: 701,834,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,049,579.68 : 1,684,727,669.07 = 467,847,380.80 : x
  2. Step 2: Convert to fraction form
    1,123,049,579.68/1,684,727,669.07 = 467,847,380.80/x
  3. Step 3: Cross multiply
    1,123,049,579.68x = 1,684,727,669.07 × 467,847,380.80
  4. Step 4: Simplify right side
    1,123,049,579.68x = 788,195,427,335,688,704
  5. Step 5: Solve for x
    x = 788,195,427,335,688,704/1,123,049,579.68
  6. Step 6: Final answer
    x = 701,834,933.73

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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.