Home / 20,250,209,542.41-30,344,810,265.32-18,043,371,561.69

Finding the Fourth Proportional to 20,250,209,542.41, 30,344,810,265.32 and 18,043,371,561.69

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Solution

The fourth proportional to 20,250,209,542.41, 30,344,810,265.32 and 18,043,371,561.69 is: 27,037,877,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,209,542.41 : 30,344,810,265.32 = 18,043,371,561.69 : x
  2. Step 2: Convert to fraction form
    20,250,209,542.41/30,344,810,265.32 = 18,043,371,561.69/x
  3. Step 3: Cross multiply
    20,250,209,542.41x = 30,344,810,265.32 × 18,043,371,561.69
  4. Step 4: Simplify right side
    20,250,209,542.41x = 547,522,686,586,063,355,904
  5. Step 5: Solve for x
    x = 547,522,686,586,063,355,904/20,250,209,542.41
  6. Step 6: Final answer
    x = 27,037,877,580.45

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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.