Home / 14,615,987,990.00-20,170,078,353.77-7,932,985,932.56

Finding the Fourth Proportional to 14,615,987,990.00, 20,170,078,353.77 and 7,932,985,932.56

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Solution

The fourth proportional to 14,615,987,990.00, 20,170,078,353.77 and 7,932,985,932.56 is: 10,947,528,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,987,990.00 : 20,170,078,353.77 = 7,932,985,932.56 : x
  2. Step 2: Convert to fraction form
    14,615,987,990.00/20,170,078,353.77 = 7,932,985,932.56/x
  3. Step 3: Cross multiply
    14,615,987,990.00x = 20,170,078,353.77 × 7,932,985,932.56
  4. Step 4: Simplify right side
    14,615,987,990.00x = 160,008,947,838,949,851,136
  5. Step 5: Solve for x
    x = 160,008,947,838,949,851,136/14,615,987,990.00
  6. Step 6: Final answer
    x = 10,947,528,689.03

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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.