Home / 444,872,976.80-667,309,465.20-138,196,090.40

Finding the Fourth Proportional to 444,872,976.80, 667,309,465.20 and 138,196,090.40

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Solution

The fourth proportional to 444,872,976.80, 667,309,465.20 and 138,196,090.40 is: 207,294,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,872,976.80 : 667,309,465.20 = 138,196,090.40 : x
  2. Step 2: Convert to fraction form
    444,872,976.80/667,309,465.20 = 138,196,090.40/x
  3. Step 3: Cross multiply
    444,872,976.80x = 667,309,465.20 × 138,196,090.40
  4. Step 4: Simplify right side
    444,872,976.80x = 92,219,559,177,554,864
  5. Step 5: Solve for x
    x = 92,219,559,177,554,864/444,872,976.80
  6. Step 6: Final answer
    x = 207,294,135.60

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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.