Home / 3,387,340,979.37-5,079,266,866.31-1,520,386,181.45

Finding the Fourth Proportional to 3,387,340,979.37, 5,079,266,866.31 and 1,520,386,181.45

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Solution

The fourth proportional to 3,387,340,979.37, 5,079,266,866.31 and 1,520,386,181.45 is: 2,279,796,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,340,979.37 : 5,079,266,866.31 = 1,520,386,181.45 : x
  2. Step 2: Convert to fraction form
    3,387,340,979.37/5,079,266,866.31 = 1,520,386,181.45/x
  3. Step 3: Cross multiply
    3,387,340,979.37x = 5,079,266,866.31 × 1,520,386,181.45
  4. Step 4: Simplify right side
    3,387,340,979.37x = 7,722,447,155,401,570,304
  5. Step 5: Solve for x
    x = 7,722,447,155,401,570,304/3,387,340,979.37
  6. Step 6: Final answer
    x = 2,279,796,218.46

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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.