Home / 1,011,821,247.54-1,517,883,036.48-321,751,013.94

Finding the Fourth Proportional to 1,011,821,247.54, 1,517,883,036.48 and 321,751,013.94

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Solution

The fourth proportional to 1,011,821,247.54, 1,517,883,036.48 and 321,751,013.94 is: 482,674,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,821,247.54 : 1,517,883,036.48 = 321,751,013.94 : x
  2. Step 2: Convert to fraction form
    1,011,821,247.54/1,517,883,036.48 = 321,751,013.94/x
  3. Step 3: Cross multiply
    1,011,821,247.54x = 1,517,883,036.48 × 321,751,013.94
  4. Step 4: Simplify right side
    1,011,821,247.54x = 488,380,406,029,766,016
  5. Step 5: Solve for x
    x = 488,380,406,029,766,016/1,011,821,247.54
  6. Step 6: Final answer
    x = 482,674,590.22

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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.