Home / 528,760,049.31-729,674,356.38-293,804,668.80

Finding the Fourth Proportional to 528,760,049.31, 729,674,356.38 and 293,804,668.80

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Solution

The fourth proportional to 528,760,049.31, 729,674,356.38 and 293,804,668.80 is: 405,442,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,760,049.31 : 729,674,356.38 = 293,804,668.80 : x
  2. Step 2: Convert to fraction form
    528,760,049.31/729,674,356.38 = 293,804,668.80/x
  3. Step 3: Cross multiply
    528,760,049.31x = 729,674,356.38 × 293,804,668.80
  4. Step 4: Simplify right side
    528,760,049.31x = 214,381,732,605,340,672
  5. Step 5: Solve for x
    x = 214,381,732,605,340,672/528,760,049.31
  6. Step 6: Final answer
    x = 405,442,379.56

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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.