Home / 725,804,978.40-1,088,707,467.60-180,546,512.40

Finding the Fourth Proportional to 725,804,978.40, 1,088,707,467.60 and 180,546,512.40

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Solution

The fourth proportional to 725,804,978.40, 1,088,707,467.60 and 180,546,512.40 is: 270,819,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,804,978.40 : 1,088,707,467.60 = 180,546,512.40 : x
  2. Step 2: Convert to fraction form
    725,804,978.40/1,088,707,467.60 = 180,546,512.40/x
  3. Step 3: Cross multiply
    725,804,978.40x = 1,088,707,467.60 × 180,546,512.40
  4. Step 4: Simplify right side
    725,804,978.40x = 196,562,336,299,016,000
  5. Step 5: Solve for x
    x = 196,562,336,299,016,000/725,804,978.40
  6. Step 6: Final answer
    x = 270,819,768.60

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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.