Home / 1,379,451,387.32-1,906,133,032.74-982,284,851.76

Finding the Fourth Proportional to 1,379,451,387.32, 1,906,133,032.74 and 982,284,851.76

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Solution

The fourth proportional to 1,379,451,387.32, 1,906,133,032.74 and 982,284,851.76 is: 1,357,326,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,451,387.32 : 1,906,133,032.74 = 982,284,851.76 : x
  2. Step 2: Convert to fraction form
    1,379,451,387.32/1,906,133,032.74 = 982,284,851.76/x
  3. Step 3: Cross multiply
    1,379,451,387.32x = 1,906,133,032.74 × 982,284,851.76
  4. Step 4: Simplify right side
    1,379,451,387.32x = 1,872,365,603,499,850,240
  5. Step 5: Solve for x
    x = 1,872,365,603,499,850,240/1,379,451,387.32
  6. Step 6: Final answer
    x = 1,357,326,268.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.