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Finding the Fourth Proportional to 448,872,992.08, 673,373,747.31 and 138,006,710.53

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Solution

The fourth proportional to 448,872,992.08, 673,373,747.31 and 138,006,710.53 is: 207,029,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,872,992.08 : 673,373,747.31 = 138,006,710.53 : x
  2. Step 2: Convert to fraction form
    448,872,992.08/673,373,747.31 = 138,006,710.53/x
  3. Step 3: Cross multiply
    448,872,992.08x = 673,373,747.31 × 138,006,710.53
  4. Step 4: Simplify right side
    448,872,992.08x = 92,930,095,823,512,528
  5. Step 5: Solve for x
    x = 92,930,095,823,512,528/448,872,992.08
  6. Step 6: Final answer
    x = 207,029,822.38

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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.