Home / 672,014,266.05-1,008,021,399.08-211,998,936.45

Finding the Fourth Proportional to 672,014,266.05, 1,008,021,399.08 and 211,998,936.45

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Solution

The fourth proportional to 672,014,266.05, 1,008,021,399.08 and 211,998,936.45 is: 317,998,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014,266.05 : 1,008,021,399.08 = 211,998,936.45 : x
  2. Step 2: Convert to fraction form
    672,014,266.05/1,008,021,399.08 = 211,998,936.45/x
  3. Step 3: Cross multiply
    672,014,266.05x = 1,008,021,399.08 × 211,998,936.45
  4. Step 4: Simplify right side
    672,014,266.05x = 213,699,464,522,741,024
  5. Step 5: Solve for x
    x = 213,699,464,522,741,024/672,014,266.05
  6. Step 6: Final answer
    x = 317,998,404.68

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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.