Home / 19,979,866,723,647-29,963,985,997,254-7,738,546,859,747.40

Finding the Fourth Proportional to 19,979,866,723,647, 29,963,985,997,254 and 7,738,546,859,747.40

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Solution

The fourth proportional to 19,979,866,723,647, 29,963,985,997,254 and 7,738,546,859,747.40 is: 11,605,568,393,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,866,723,647 : 29,963,985,997,254 = 7,738,546,859,747.40 : x
  2. Step 2: Convert to fraction form
    19,979,866,723,647/29,963,985,997,254 = 7,738,546,859,747.40/x
  3. Step 3: Cross multiply
    19,979,866,723,647x = 29,963,985,997,254 × 7,738,546,859,747.40
  4. Step 4: Simplify right side
    19,979,866,723,647x = 231,877,709,744,565,022,644,764,672
  5. Step 5: Solve for x
    x = 231,877,709,744,565,022,644,764,672/19,979,866,723,647
  6. Step 6: Final answer
    x = 11,605,568,393,012.76

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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.