Home / 386,600,166.41-533,525,797.65-227,836,989.81

Finding the Fourth Proportional to 386,600,166.41, 533,525,797.65 and 227,836,989.81

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Solution

The fourth proportional to 386,600,166.41, 533,525,797.65 and 227,836,989.81 is: 314,425,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,600,166.41 : 533,525,797.65 = 227,836,989.81 : x
  2. Step 2: Convert to fraction form
    386,600,166.41/533,525,797.65 = 227,836,989.81/x
  3. Step 3: Cross multiply
    386,600,166.41x = 533,525,797.65 × 227,836,989.81
  4. Step 4: Simplify right side
    386,600,166.41x = 121,556,911,722,555,168
  5. Step 5: Solve for x
    x = 121,556,911,722,555,168/386,600,166.41
  6. Step 6: Final answer
    x = 314,425,399.38

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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.