Home / 415,017,413.04-622,635,148.55-149,149,968.22

Finding the Fourth Proportional to 415,017,413.04, 622,635,148.55 and 149,149,968.22

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Solution

The fourth proportional to 415,017,413.04, 622,635,148.55 and 149,149,968.22 is: 223,764,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,017,413.04 : 622,635,148.55 = 149,149,968.22 : x
  2. Step 2: Convert to fraction form
    415,017,413.04/622,635,148.55 = 149,149,968.22/x
  3. Step 3: Cross multiply
    415,017,413.04x = 622,635,148.55 × 149,149,968.22
  4. Step 4: Simplify right side
    415,017,413.04x = 92,866,012,618,887,472
  5. Step 5: Solve for x
    x = 92,866,012,618,887,472/415,017,413.04
  6. Step 6: Final answer
    x = 223,764,135.43

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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.