Home / 347,106,548.16-520,805,817.28-216,058,378.88

Finding the Fourth Proportional to 347,106,548.16, 520,805,817.28 and 216,058,378.88

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Solution

The fourth proportional to 347,106,548.16, 520,805,817.28 and 216,058,378.88 is: 324,178,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,106,548.16 : 520,805,817.28 = 216,058,378.88 : x
  2. Step 2: Convert to fraction form
    347,106,548.16/520,805,817.28 = 216,058,378.88/x
  3. Step 3: Cross multiply
    347,106,548.16x = 520,805,817.28 × 216,058,378.88
  4. Step 4: Simplify right side
    347,106,548.16x = 112,524,460,592,790,288
  5. Step 5: Solve for x
    x = 112,524,460,592,790,288/347,106,548.16
  6. Step 6: Final answer
    x = 324,178,443.74

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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.