Home / 467,139,572.54-644,348,857.78-299,610,478.27

Finding the Fourth Proportional to 467,139,572.54, 644,348,857.78 and 299,610,478.27

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Solution

The fourth proportional to 467,139,572.54, 644,348,857.78 and 299,610,478.27 is: 413,267,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,139,572.54 : 644,348,857.78 = 299,610,478.27 : x
  2. Step 2: Convert to fraction form
    467,139,572.54/644,348,857.78 = 299,610,478.27/x
  3. Step 3: Cross multiply
    467,139,572.54x = 644,348,857.78 × 299,610,478.27
  4. Step 4: Simplify right side
    467,139,572.54x = 193,053,669,451,444,992
  5. Step 5: Solve for x
    x = 193,053,669,451,444,992/467,139,572.54
  6. Step 6: Final answer
    x = 413,267,641.62

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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.