Home / 705,507,247.67-1,058,192,489.71-214,224,835.76

Finding the Fourth Proportional to 705,507,247.67, 1,058,192,489.71 and 214,224,835.76

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Solution

The fourth proportional to 705,507,247.67, 1,058,192,489.71 and 214,224,835.76 is: 321,316,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,507,247.67 : 1,058,192,489.71 = 214,224,835.76 : x
  2. Step 2: Convert to fraction form
    705,507,247.67/1,058,192,489.71 = 214,224,835.76/x
  3. Step 3: Cross multiply
    705,507,247.67x = 1,058,192,489.71 × 214,224,835.76
  4. Step 4: Simplify right side
    705,507,247.67x = 226,691,112,309,524,576
  5. Step 5: Solve for x
    x = 226,691,112,309,524,576/705,507,247.67
  6. Step 6: Final answer
    x = 321,316,489.74

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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.