Home / 18,851,749,416-28,277,765,841.60-8,368,147,440.72

Finding the Fourth Proportional to 18,851,749,416, 28,277,765,841.60 and 8,368,147,440.72

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Solution

The fourth proportional to 18,851,749,416, 28,277,765,841.60 and 8,368,147,440.72 is: 12,552,284,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,749,416 : 28,277,765,841.60 = 8,368,147,440.72 : x
  2. Step 2: Convert to fraction form
    18,851,749,416/28,277,765,841.60 = 8,368,147,440.72/x
  3. Step 3: Cross multiply
    18,851,749,416x = 28,277,765,841.60 × 8,368,147,440.72
  4. Step 4: Simplify right side
    18,851,749,416x = 236,632,513,856,664,469,504
  5. Step 5: Solve for x
    x = 236,632,513,856,664,469,504/18,851,749,416
  6. Step 6: Final answer
    x = 12,552,284,068.44

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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.