Home / 1,395,145,425.60-2,092,718,138.40-930,240,838.80

Finding the Fourth Proportional to 1,395,145,425.60, 2,092,718,138.40 and 930,240,838.80

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Solution

The fourth proportional to 1,395,145,425.60, 2,092,718,138.40 and 930,240,838.80 is: 1,395,361,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,145,425.60 : 2,092,718,138.40 = 930,240,838.80 : x
  2. Step 2: Convert to fraction form
    1,395,145,425.60/2,092,718,138.40 = 930,240,838.80/x
  3. Step 3: Cross multiply
    1,395,145,425.60x = 2,092,718,138.40 × 930,240,838.80
  4. Step 4: Simplify right side
    1,395,145,425.60x = 1,946,731,876,437,190,400
  5. Step 5: Solve for x
    x = 1,946,731,876,437,190,400/1,395,145,425.60
  6. Step 6: Final answer
    x = 1,395,361,258.20

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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.