Home / 349,922,401.20-524,883,601.80-220,109,079.60

Finding the Fourth Proportional to 349,922,401.20, 524,883,601.80 and 220,109,079.60

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Solution

The fourth proportional to 349,922,401.20, 524,883,601.80 and 220,109,079.60 is: 330,163,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,922,401.20 : 524,883,601.80 = 220,109,079.60 : x
  2. Step 2: Convert to fraction form
    349,922,401.20/524,883,601.80 = 220,109,079.60/x
  3. Step 3: Cross multiply
    349,922,401.20x = 524,883,601.80 × 220,109,079.60
  4. Step 4: Simplify right side
    349,922,401.20x = 115,531,646,489,330,896
  5. Step 5: Solve for x
    x = 115,531,646,489,330,896/349,922,401.20
  6. Step 6: Final answer
    x = 330,163,619.40

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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.