Home / 428,496,250.60-591,331,304.98-240,366,247.47

Finding the Fourth Proportional to 428,496,250.60, 591,331,304.98 and 240,366,247.47

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Solution

The fourth proportional to 428,496,250.60, 591,331,304.98 and 240,366,247.47 is: 331,709,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,496,250.60 : 591,331,304.98 = 240,366,247.47 : x
  2. Step 2: Convert to fraction form
    428,496,250.60/591,331,304.98 = 240,366,247.47/x
  3. Step 3: Cross multiply
    428,496,250.60x = 591,331,304.98 × 240,366,247.47
  4. Step 4: Simplify right side
    428,496,250.60x = 142,136,086,789,883,568
  5. Step 5: Solve for x
    x = 142,136,086,789,883,568/428,496,250.60
  6. Step 6: Final answer
    x = 331,709,056.01

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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.