Home / 354,321,307.60-531,481,961.40-163,218,331.60

Finding the Fourth Proportional to 354,321,307.60, 531,481,961.40 and 163,218,331.60

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Solution

The fourth proportional to 354,321,307.60, 531,481,961.40 and 163,218,331.60 is: 244,827,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,321,307.60 : 531,481,961.40 = 163,218,331.60 : x
  2. Step 2: Convert to fraction form
    354,321,307.60/531,481,961.40 = 163,218,331.60/x
  3. Step 3: Cross multiply
    354,321,307.60x = 531,481,961.40 × 163,218,331.60
  4. Step 4: Simplify right side
    354,321,307.60x = 86,747,599,015,203,600
  5. Step 5: Solve for x
    x = 86,747,599,015,203,600/354,321,307.60
  6. Step 6: Final answer
    x = 244,827,497.40

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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.