Home / 384,858,136.67-531,542,666.43-260,883,580.19

Finding the Fourth Proportional to 384,858,136.67, 531,542,666.43 and 260,883,580.19

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Solution

The fourth proportional to 384,858,136.67, 531,542,666.43 and 260,883,580.19 is: 360,316,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,858,136.67 : 531,542,666.43 = 260,883,580.19 : x
  2. Step 2: Convert to fraction form
    384,858,136.67/531,542,666.43 = 260,883,580.19/x
  3. Step 3: Cross multiply
    384,858,136.67x = 531,542,666.43 × 260,883,580.19
  4. Step 4: Simplify right side
    384,858,136.67x = 138,670,753,839,339,616
  5. Step 5: Solve for x
    x = 138,670,753,839,339,616/384,858,136.67
  6. Step 6: Final answer
    x = 360,316,544.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.