Home / 2,978,497,420.92-4,110,193,797.30-1,707,427,178.10

Finding the Fourth Proportional to 2,978,497,420.92, 4,110,193,797.30 and 1,707,427,178.10

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Solution

The fourth proportional to 2,978,497,420.92, 4,110,193,797.30 and 1,707,427,178.10 is: 2,356,173,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,497,420.92 : 4,110,193,797.30 = 1,707,427,178.10 : x
  2. Step 2: Convert to fraction form
    2,978,497,420.92/4,110,193,797.30 = 1,707,427,178.10/x
  3. Step 3: Cross multiply
    2,978,497,420.92x = 4,110,193,797.30 × 1,707,427,178.10
  4. Step 4: Simplify right side
    2,978,497,420.92x = 7,017,856,596,768,062,464
  5. Step 5: Solve for x
    x = 7,017,856,596,768,062,464/2,978,497,420.92
  6. Step 6: Final answer
    x = 2,356,173,467.69

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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.