Home / 448,872,989.58-673,373,743.56-138,006,708.03

Finding the Fourth Proportional to 448,872,989.58, 673,373,743.56 and 138,006,708.03

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Solution

The fourth proportional to 448,872,989.58, 673,373,743.56 and 138,006,708.03 is: 207,029,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,872,989.58 : 673,373,743.56 = 138,006,708.03 : x
  2. Step 2: Convert to fraction form
    448,872,989.58/673,373,743.56 = 138,006,708.03/x
  3. Step 3: Cross multiply
    448,872,989.58x = 673,373,743.56 × 138,006,708.03
  4. Step 4: Simplify right side
    448,872,989.58x = 92,930,093,622,553,008
  5. Step 5: Solve for x
    x = 92,930,093,622,553,008/448,872,989.58
  6. Step 6: Final answer
    x = 207,029,818.63

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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.