Home / 2,118,524,200.30-2,923,968,163.92-1,402,797,361.12

Finding the Fourth Proportional to 2,118,524,200.30, 2,923,968,163.92 and 1,402,797,361.12

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Solution

The fourth proportional to 2,118,524,200.30, 2,923,968,163.92 and 1,402,797,361.12 is: 1,936,128,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,524,200.30 : 2,923,968,163.92 = 1,402,797,361.12 : x
  2. Step 2: Convert to fraction form
    2,118,524,200.30/2,923,968,163.92 = 1,402,797,361.12/x
  3. Step 3: Cross multiply
    2,118,524,200.30x = 2,923,968,163.92 × 1,402,797,361.12
  4. Step 4: Simplify right side
    2,118,524,200.30x = 4,101,734,824,345,867,264
  5. Step 5: Solve for x
    x = 4,101,734,824,345,867,264/2,118,524,200.30
  6. Step 6: Final answer
    x = 1,936,128,378.31

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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.