Home / 392,912,187.40-589,370,322.30-101,758,918.60

Finding the Fourth Proportional to 392,912,187.40, 589,370,322.30 and 101,758,918.60

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Solution

The fourth proportional to 392,912,187.40, 589,370,322.30 and 101,758,918.60 is: 152,638,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,912,187.40 : 589,370,322.30 = 101,758,918.60 : x
  2. Step 2: Convert to fraction form
    392,912,187.40/589,370,322.30 = 101,758,918.60/x
  3. Step 3: Cross multiply
    392,912,187.40x = 589,370,322.30 × 101,758,918.60
  4. Step 4: Simplify right side
    392,912,187.40x = 59,973,686,652,181,456
  5. Step 5: Solve for x
    x = 59,973,686,652,181,456/392,912,187.40
  6. Step 6: Final answer
    x = 152,638,906.54

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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.