Home / 2,978,342,997.40-4,467,514,496.10-1,015,412,519.80

Finding the Fourth Proportional to 2,978,342,997.40, 4,467,514,496.10 and 1,015,412,519.80

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Solution

The fourth proportional to 2,978,342,997.40, 4,467,514,496.10 and 1,015,412,519.80 is: 1,523,118,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,342,997.40 : 4,467,514,496.10 = 1,015,412,519.80 : x
  2. Step 2: Convert to fraction form
    2,978,342,997.40/4,467,514,496.10 = 1,015,412,519.80/x
  3. Step 3: Cross multiply
    2,978,342,997.40x = 4,467,514,496.10 × 1,015,412,519.80
  4. Step 4: Simplify right side
    2,978,342,997.40x = 4,536,370,151,727,928,320
  5. Step 5: Solve for x
    x = 4,536,370,151,727,928,320/2,978,342,997.40
  6. Step 6: Final answer
    x = 1,523,118,779.70

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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.