Home / 13,603,146,100.80-20,404,719,151.20-12,828,305,122.80

Finding the Fourth Proportional to 13,603,146,100.80, 20,404,719,151.20 and 12,828,305,122.80

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Solution

The fourth proportional to 13,603,146,100.80, 20,404,719,151.20 and 12,828,305,122.80 is: 19,242,457,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,146,100.80 : 20,404,719,151.20 = 12,828,305,122.80 : x
  2. Step 2: Convert to fraction form
    13,603,146,100.80/20,404,719,151.20 = 12,828,305,122.80/x
  3. Step 3: Cross multiply
    13,603,146,100.80x = 20,404,719,151.20 × 12,828,305,122.80
  4. Step 4: Simplify right side
    13,603,146,100.80x = 261,757,963,216,634,216,448
  5. Step 5: Solve for x
    x = 261,757,963,216,634,216,448/13,603,146,100.80
  6. Step 6: Final answer
    x = 19,242,457,684.20

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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.