Home / 20,785,248,051.30-31,177,872,076.95-20,173,028,019.30

Finding the Fourth Proportional to 20,785,248,051.30, 31,177,872,076.95 and 20,173,028,019.30

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Solution

The fourth proportional to 20,785,248,051.30, 31,177,872,076.95 and 20,173,028,019.30 is: 30,259,542,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,248,051.30 : 31,177,872,076.95 = 20,173,028,019.30 : x
  2. Step 2: Convert to fraction form
    20,785,248,051.30/31,177,872,076.95 = 20,173,028,019.30/x
  3. Step 3: Cross multiply
    20,785,248,051.30x = 31,177,872,076.95 × 20,173,028,019.30
  4. Step 4: Simplify right side
    20,785,248,051.30x = 628,952,086,990,463,434,752
  5. Step 5: Solve for x
    x = 628,952,086,990,463,434,752/20,785,248,051.30
  6. Step 6: Final answer
    x = 30,259,542,028.95

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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.