Home / 347,106,740-520,806,104.40-216,058,570.16

Finding the Fourth Proportional to 347,106,740, 520,806,104.40 and 216,058,570.16

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Solution

The fourth proportional to 347,106,740, 520,806,104.40 and 216,058,570.16 is: 324,178,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,106,740 : 520,806,104.40 = 216,058,570.16 : x
  2. Step 2: Convert to fraction form
    347,106,740/520,806,104.40 = 216,058,570.16/x
  3. Step 3: Cross multiply
    347,106,740x = 520,806,104.40 × 216,058,570.16
  4. Step 4: Simplify right side
    347,106,740x = 112,524,622,247,263,680
  5. Step 5: Solve for x
    x = 112,524,622,247,263,680/347,106,740
  6. Step 6: Final answer
    x = 324,178,730.29

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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.