Home / 379,702,440,218.80-523,989,755,301.30-206,087,615,463.94

Finding the Fourth Proportional to 379,702,440,218.80, 523,989,755,301.30 and 206,087,615,463.94

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Solution

The fourth proportional to 379,702,440,218.80, 523,989,755,301.30 and 206,087,615,463.94 is: 284,401,119,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702,440,218.80 : 523,989,755,301.30 = 206,087,615,463.94 : x
  2. Step 2: Convert to fraction form
    379,702,440,218.80/523,989,755,301.30 = 206,087,615,463.94/x
  3. Step 3: Cross multiply
    379,702,440,218.80x = 523,989,755,301.30 × 206,087,615,463.94
  4. Step 4: Simplify right side
    379,702,440,218.80x = 107,987,799,197,578,327,752,704
  5. Step 5: Solve for x
    x = 107,987,799,197,578,327,752,704/379,702,440,218.80
  6. Step 6: Final answer
    x = 284,401,119,822.54

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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.