Home / 781,419,985.20-1,171,122,208.20-598,761,745.20

Finding the Fourth Proportional to 781,419,985.20, 1,171,122,208.20 and 598,761,745.20

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Solution

The fourth proportional to 781,419,985.20, 1,171,122,208.20 and 598,761,745.20 is: 897,370,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,419,985.20 : 1,171,122,208.20 = 598,761,745.20 : x
  2. Step 2: Convert to fraction form
    781,419,985.20/1,171,122,208.20 = 598,761,745.20/x
  3. Step 3: Cross multiply
    781,419,985.20x = 1,171,122,208.20 × 598,761,745.20
  4. Step 4: Simplify right side
    781,419,985.20x = 701,223,177,224,309,888
  5. Step 5: Solve for x
    x = 701,223,177,224,309,888/781,419,985.20
  6. Step 6: Final answer
    x = 897,370,416.04

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1.5x scale

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.