Home / 428,496,253.24-591,331,308.60-240,366,250.08

Finding the Fourth Proportional to 428,496,253.24, 591,331,308.60 and 240,366,250.08

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Solution

The fourth proportional to 428,496,253.24, 591,331,308.60 and 240,366,250.08 is: 331,709,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,496,253.24 : 591,331,308.60 = 240,366,250.08 : x
  2. Step 2: Convert to fraction form
    428,496,253.24/591,331,308.60 = 240,366,250.08/x
  3. Step 3: Cross multiply
    428,496,253.24x = 591,331,308.60 × 240,366,250.08
  4. Step 4: Simplify right side
    428,496,253.24x = 142,136,089,203,081,264
  5. Step 5: Solve for x
    x = 142,136,089,203,081,264/428,496,253.24
  6. Step 6: Final answer
    x = 331,709,059.60

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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.