Home / 762,952,721.33-1,142,896,772.28-347,858,549.42

Finding the Fourth Proportional to 762,952,721.33, 1,142,896,772.28 and 347,858,549.42

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Solution

The fourth proportional to 762,952,721.33, 1,142,896,772.28 and 347,858,549.42 is: 521,089,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,952,721.33 : 1,142,896,772.28 = 347,858,549.42 : x
  2. Step 2: Convert to fraction form
    762,952,721.33/1,142,896,772.28 = 347,858,549.42/x
  3. Step 3: Cross multiply
    762,952,721.33x = 1,142,896,772.28 × 347,858,549.42
  4. Step 4: Simplify right side
    762,952,721.33x = 397,566,413,342,014,080
  5. Step 5: Solve for x
    x = 397,566,413,342,014,080/762,952,721.33
  6. Step 6: Final answer
    x = 521,089,187.09

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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.