Home / 279,269,015,469.72-418,903,528,746.90-67,033,147,998.44

Finding the Fourth Proportional to 279,269,015,469.72, 418,903,528,746.90 and 67,033,147,998.44

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Solution

The fourth proportional to 279,269,015,469.72, 418,903,528,746.90 and 67,033,147,998.44 is: 100,549,723,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,269,015,469.72 : 418,903,528,746.90 = 67,033,147,998.44 : x
  2. Step 2: Convert to fraction form
    279,269,015,469.72/418,903,528,746.90 = 67,033,147,998.44/x
  3. Step 3: Cross multiply
    279,269,015,469.72x = 418,903,528,746.90 × 67,033,147,998.44
  4. Step 4: Simplify right side
    279,269,015,469.72x = 28,080,422,239,559,716,175,872
  5. Step 5: Solve for x
    x = 28,080,422,239,559,716,175,872/279,269,015,469.72
  6. Step 6: Final answer
    x = 100,549,723,327.99

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1.5x scale

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.