Home / 20,155,394,975.20-30,233,092,462.80-13,942,831,314.40

Finding the Fourth Proportional to 20,155,394,975.20, 30,233,092,462.80 and 13,942,831,314.40

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Solution

The fourth proportional to 20,155,394,975.20, 30,233,092,462.80 and 13,942,831,314.40 is: 20,914,246,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,394,975.20 : 30,233,092,462.80 = 13,942,831,314.40 : x
  2. Step 2: Convert to fraction form
    20,155,394,975.20/30,233,092,462.80 = 13,942,831,314.40/x
  3. Step 3: Cross multiply
    20,155,394,975.20x = 30,233,092,462.80 × 13,942,831,314.40
  4. Step 4: Simplify right side
    20,155,394,975.20x = 421,534,908,321,478,410,240
  5. Step 5: Solve for x
    x = 421,534,908,321,478,410,240/20,155,394,975.20
  6. Step 6: Final answer
    x = 20,914,246,971.60

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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.