Home / 349,922,986.20-524,884,479.30-220,109,664.60

Finding the Fourth Proportional to 349,922,986.20, 524,884,479.30 and 220,109,664.60

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Solution

The fourth proportional to 349,922,986.20, 524,884,479.30 and 220,109,664.60 is: 330,164,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,922,986.20 : 524,884,479.30 = 220,109,664.60 : x
  2. Step 2: Convert to fraction form
    349,922,986.20/524,884,479.30 = 220,109,664.60/x
  3. Step 3: Cross multiply
    349,922,986.20x = 524,884,479.30 × 220,109,664.60
  4. Step 4: Simplify right side
    349,922,986.20x = 115,532,146,692,468,640
  5. Step 5: Solve for x
    x = 115,532,146,692,468,640/349,922,986.20
  6. Step 6: Final answer
    x = 330,164,496.90

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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.