Home / 1,989,776,028.51-2,983,091,408.15-993,285,634.41

Finding the Fourth Proportional to 1,989,776,028.51, 2,983,091,408.15 and 993,285,634.41

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Solution

The fourth proportional to 1,989,776,028.51, 2,983,091,408.15 and 993,285,634.41 is: 1,489,143,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,776,028.51 : 2,983,091,408.15 = 993,285,634.41 : x
  2. Step 2: Convert to fraction form
    1,989,776,028.51/2,983,091,408.15 = 993,285,634.41/x
  3. Step 3: Cross multiply
    1,989,776,028.51x = 2,983,091,408.15 × 993,285,634.41
  4. Step 4: Simplify right side
    1,989,776,028.51x = 2,963,061,841,842,326,528
  5. Step 5: Solve for x
    x = 2,963,061,841,842,326,528/1,989,776,028.51
  6. Step 6: Final answer
    x = 1,489,143,400.76

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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.