Home / 20,155,558,683.70-30,233,338,025.55-18,317,386,933.30

Finding the Fourth Proportional to 20,155,558,683.70, 30,233,338,025.55 and 18,317,386,933.30

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Solution

The fourth proportional to 20,155,558,683.70, 30,233,338,025.55 and 18,317,386,933.30 is: 27,476,080,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,558,683.70 : 30,233,338,025.55 = 18,317,386,933.30 : x
  2. Step 2: Convert to fraction form
    20,155,558,683.70/30,233,338,025.55 = 18,317,386,933.30/x
  3. Step 3: Cross multiply
    20,155,558,683.70x = 30,233,338,025.55 × 18,317,386,933.30
  4. Step 4: Simplify right side
    20,155,558,683.70x = 553,795,750,899,251,544,064
  5. Step 5: Solve for x
    x = 553,795,750,899,251,544,064/20,155,558,683.70
  6. Step 6: Final answer
    x = 27,476,080,399.95

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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.