Home / 1,005,534,733.05-1,508,519,196.45-306,081,564.21

Finding the Fourth Proportional to 1,005,534,733.05, 1,508,519,196.45 and 306,081,564.21

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Solution

The fourth proportional to 1,005,534,733.05, 1,508,519,196.45 and 306,081,564.21 is: 459,188,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,534,733.05 : 1,508,519,196.45 = 306,081,564.21 : x
  2. Step 2: Convert to fraction form
    1,005,534,733.05/1,508,519,196.45 = 306,081,564.21/x
  3. Step 3: Cross multiply
    1,005,534,733.05x = 1,508,519,196.45 × 306,081,564.21
  4. Step 4: Simplify right side
    1,005,534,733.05x = 461,729,915,290,228,288
  5. Step 5: Solve for x
    x = 461,729,915,290,228,288/1,005,534,733.05
  6. Step 6: Final answer
    x = 459,188,429.91

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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.