Home / 1,642,887,029.52-2,464,309,018.80-399,313,880.86

Finding the Fourth Proportional to 1,642,887,029.52, 2,464,309,018.80 and 399,313,880.86

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Solution

The fourth proportional to 1,642,887,029.52, 2,464,309,018.80 and 399,313,880.86 is: 598,965,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,887,029.52 : 2,464,309,018.80 = 399,313,880.86 : x
  2. Step 2: Convert to fraction form
    1,642,887,029.52/2,464,309,018.80 = 399,313,880.86/x
  3. Step 3: Cross multiply
    1,642,887,029.52x = 2,464,309,018.80 × 399,313,880.86
  4. Step 4: Simplify right side
    1,642,887,029.52x = 984,032,797,935,326,848
  5. Step 5: Solve for x
    x = 984,032,797,935,326,848/1,642,887,029.52
  6. Step 6: Final answer
    x = 598,965,589.39

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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.