Home / 1,005,534,715.68-1,508,519,170.32-306,081,546.78

Finding the Fourth Proportional to 1,005,534,715.68, 1,508,519,170.32 and 306,081,546.78

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Solution

The fourth proportional to 1,005,534,715.68, 1,508,519,170.32 and 306,081,546.78 is: 459,188,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,534,715.68 : 1,508,519,170.32 = 306,081,546.78 : x
  2. Step 2: Convert to fraction form
    1,005,534,715.68/1,508,519,170.32 = 306,081,546.78/x
  3. Step 3: Cross multiply
    1,005,534,715.68x = 1,508,519,170.32 × 306,081,546.78
  4. Step 4: Simplify right side
    1,005,534,715.68x = 461,729,880,998,827,776
  5. Step 5: Solve for x
    x = 461,729,880,998,827,776/1,005,534,715.68
  6. Step 6: Final answer
    x = 459,188,403.74

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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.