Home / 717,422,481.60-1,076,133,722.40-354,625,425.60

Finding the Fourth Proportional to 717,422,481.60, 1,076,133,722.40 and 354,625,425.60

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Solution

The fourth proportional to 717,422,481.60, 1,076,133,722.40 and 354,625,425.60 is: 531,938,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,422,481.60 : 1,076,133,722.40 = 354,625,425.60 : x
  2. Step 2: Convert to fraction form
    717,422,481.60/1,076,133,722.40 = 354,625,425.60/x
  3. Step 3: Cross multiply
    717,422,481.60x = 1,076,133,722.40 × 354,625,425.60
  4. Step 4: Simplify right side
    717,422,481.60x = 381,624,379,308,612,288
  5. Step 5: Solve for x
    x = 381,624,379,308,612,288/717,422,481.60
  6. Step 6: Final answer
    x = 531,938,138.40

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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.