Home / 3,390,989,015.21-5,086,725,660.66-903,836,914.52

Finding the Fourth Proportional to 3,390,989,015.21, 5,086,725,660.66 and 903,836,914.52

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Solution

The fourth proportional to 3,390,989,015.21, 5,086,725,660.66 and 903,836,914.52 is: 1,355,819,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,989,015.21 : 5,086,725,660.66 = 903,836,914.52 : x
  2. Step 2: Convert to fraction form
    3,390,989,015.21/5,086,725,660.66 = 903,836,914.52/x
  3. Step 3: Cross multiply
    3,390,989,015.21x = 5,086,725,660.66 × 903,836,914.52
  4. Step 4: Simplify right side
    3,390,989,015.21x = 4,597,570,426,140,642,816
  5. Step 5: Solve for x
    x = 4,597,570,426,140,642,816/3,390,989,015.21
  6. Step 6: Final answer
    x = 1,355,819,911.39

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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.