Home / 379,702,440,217.57-523,989,755,299.66-206,087,615,462.73

Finding the Fourth Proportional to 379,702,440,217.57, 523,989,755,299.66 and 206,087,615,462.73

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Solution

The fourth proportional to 379,702,440,217.57, 523,989,755,299.66 and 206,087,615,462.73 is: 284,401,119,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702,440,217.57 : 523,989,755,299.66 = 206,087,615,462.73 : x
  2. Step 2: Convert to fraction form
    379,702,440,217.57/523,989,755,299.66 = 206,087,615,462.73/x
  3. Step 3: Cross multiply
    379,702,440,217.57x = 523,989,755,299.66 × 206,087,615,462.73
  4. Step 4: Simplify right side
    379,702,440,217.57x = 107,987,799,196,606,322,966,528
  5. Step 5: Solve for x
    x = 107,987,799,196,606,322,966,528/379,702,440,217.57
  6. Step 6: Final answer
    x = 284,401,119,820.90

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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.