Home / 428,496,287.28-591,331,355.52-240,366,284.16

Finding the Fourth Proportional to 428,496,287.28, 591,331,355.52 and 240,366,284.16

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Solution

The fourth proportional to 428,496,287.28, 591,331,355.52 and 240,366,284.16 is: 331,709,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,496,287.28 : 591,331,355.52 = 240,366,284.16 : x
  2. Step 2: Convert to fraction form
    428,496,287.28/591,331,355.52 = 240,366,284.16/x
  3. Step 3: Cross multiply
    428,496,287.28x = 591,331,355.52 × 240,366,284.16
  4. Step 4: Simplify right side
    428,496,287.28x = 142,136,120,633,638,304
  5. Step 5: Solve for x
    x = 142,136,120,633,638,304/428,496,287.28
  6. Step 6: Final answer
    x = 331,709,106.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.