Home / 759,221,190.72-1,138,537,362.02-261,136,998.56

Finding the Fourth Proportional to 759,221,190.72, 1,138,537,362.02 and 261,136,998.56

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Solution

The fourth proportional to 759,221,190.72, 1,138,537,362.02 and 261,136,998.56 is: 391,604,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,221,190.72 : 1,138,537,362.02 = 261,136,998.56 : x
  2. Step 2: Convert to fraction form
    759,221,190.72/1,138,537,362.02 = 261,136,998.56/x
  3. Step 3: Cross multiply
    759,221,190.72x = 1,138,537,362.02 × 261,136,998.56
  4. Step 4: Simplify right side
    759,221,190.72x = 297,314,229,467,863,616
  5. Step 5: Solve for x
    x = 297,314,229,467,863,616/759,221,190.72
  6. Step 6: Final answer
    x = 391,604,229.57

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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.