Home / 1,343,866,796.98-2,015,806,571.22-411,188,157.28

Finding the Fourth Proportional to 1,343,866,796.98, 2,015,806,571.22 and 411,188,157.28

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Solution

The fourth proportional to 1,343,866,796.98, 2,015,806,571.22 and 411,188,157.28 is: 616,784,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,866,796.98 : 2,015,806,571.22 = 411,188,157.28 : x
  2. Step 2: Convert to fraction form
    1,343,866,796.98/2,015,806,571.22 = 411,188,157.28/x
  3. Step 3: Cross multiply
    1,343,866,796.98x = 2,015,806,571.22 × 411,188,157.28
  4. Step 4: Simplify right side
    1,343,866,796.98x = 828,875,789,452,866,816
  5. Step 5: Solve for x
    x = 828,875,789,452,866,816/1,343,866,796.98
  6. Step 6: Final answer
    x = 616,784,186.73

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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.