Home / 499,348,072.44-749,318,013-278,204,511.42

Finding the Fourth Proportional to 499,348,072.44, 749,318,013 and 278,204,511.42

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Solution

The fourth proportional to 499,348,072.44, 749,318,013 and 278,204,511.42 is: 417,471,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,348,072.44 : 749,318,013 = 278,204,511.42 : x
  2. Step 2: Convert to fraction form
    499,348,072.44/749,318,013 = 278,204,511.42/x
  3. Step 3: Cross multiply
    499,348,072.44x = 749,318,013 × 278,204,511.42
  4. Step 4: Simplify right side
    499,348,072.44x = 208,463,651,704,870,208
  5. Step 5: Solve for x
    x = 208,463,651,704,870,208/499,348,072.44
  6. Step 6: Final answer
    x = 417,471,625.93

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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.