Home / 18,851,749,425-28,277,765,855.10-8,368,147,449.72

Finding the Fourth Proportional to 18,851,749,425, 28,277,765,855.10 and 8,368,147,449.72

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Solution

The fourth proportional to 18,851,749,425, 28,277,765,855.10 and 8,368,147,449.72 is: 12,552,284,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,749,425 : 28,277,765,855.10 = 8,368,147,449.72 : x
  2. Step 2: Convert to fraction form
    18,851,749,425/28,277,765,855.10 = 8,368,147,449.72/x
  3. Step 3: Cross multiply
    18,851,749,425x = 28,277,765,855.10 × 8,368,147,449.72
  4. Step 4: Simplify right side
    18,851,749,425x = 236,632,514,224,134,356,992
  5. Step 5: Solve for x
    x = 236,632,514,224,134,356,992/18,851,749,425
  6. Step 6: Final answer
    x = 12,552,284,081.94

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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.