Home / 1,387,998,087.84-2,081,920,496.16-1,014,888,321.52

Finding the Fourth Proportional to 1,387,998,087.84, 2,081,920,496.16 and 1,014,888,321.52

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Solution

The fourth proportional to 1,387,998,087.84, 2,081,920,496.16 and 1,014,888,321.52 is: 1,522,276,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,998,087.84 : 2,081,920,496.16 = 1,014,888,321.52 : x
  2. Step 2: Convert to fraction form
    1,387,998,087.84/2,081,920,496.16 = 1,014,888,321.52/x
  3. Step 3: Cross multiply
    1,387,998,087.84x = 2,081,920,496.16 × 1,014,888,321.52
  4. Step 4: Simplify right side
    1,387,998,087.84x = 2,112,916,797,885,907,968
  5. Step 5: Solve for x
    x = 2,112,916,797,885,907,968/1,387,998,087.84
  6. Step 6: Final answer
    x = 1,522,276,447.21

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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.