Home / 347,106,755-520,806,126.94-216,058,585.16

Finding the Fourth Proportional to 347,106,755, 520,806,126.94 and 216,058,585.16

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Solution

The fourth proportional to 347,106,755, 520,806,126.94 and 216,058,585.16 is: 324,178,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,106,755 : 520,806,126.94 = 216,058,585.16 : x
  2. Step 2: Convert to fraction form
    347,106,755/520,806,126.94 = 216,058,585.16/x
  3. Step 3: Cross multiply
    347,106,755x = 520,806,126.94 × 216,058,585.16
  4. Step 4: Simplify right side
    347,106,755x = 112,524,634,929,315,760
  5. Step 5: Solve for x
    x = 112,524,634,929,315,760/347,106,755
  6. Step 6: Final answer
    x = 324,178,752.81

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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.