Home / 18,887,904,859.20-28,349,997,141.60-16,130,647,233.60

Finding the Fourth Proportional to 18,887,904,859.20, 28,349,997,141.60 and 16,130,647,233.60

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Solution

The fourth proportional to 18,887,904,859.20, 28,349,997,141.60 and 16,130,647,233.60 is: 24,211,462,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,904,859.20 : 28,349,997,141.60 = 16,130,647,233.60 : x
  2. Step 2: Convert to fraction form
    18,887,904,859.20/28,349,997,141.60 = 16,130,647,233.60/x
  3. Step 3: Cross multiply
    18,887,904,859.20x = 28,349,997,141.60 × 16,130,647,233.60
  4. Step 4: Simplify right side
    18,887,904,859.20x = 457,303,802,964,717,928,448
  5. Step 5: Solve for x
    x = 457,303,802,964,717,928,448/18,887,904,859.20
  6. Step 6: Final answer
    x = 24,211,462,646.26

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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.