Home / 14,510,132,915.16-21,755,080,007.16-6,429,198,771.68

Finding the Fourth Proportional to 14,510,132,915.16, 21,755,080,007.16 and 6,429,198,771.68

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Solution

The fourth proportional to 14,510,132,915.16, 21,755,080,007.16 and 6,429,198,771.68 is: 9,639,314,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510,132,915.16 : 21,755,080,007.16 = 6,429,198,771.68 : x
  2. Step 2: Convert to fraction form
    14,510,132,915.16/21,755,080,007.16 = 6,429,198,771.68/x
  3. Step 3: Cross multiply
    14,510,132,915.16x = 21,755,080,007.16 × 6,429,198,771.68
  4. Step 4: Simplify right side
    14,510,132,915.16x = 139,867,733,659,705,147,392
  5. Step 5: Solve for x
    x = 139,867,733,659,705,147,392/14,510,132,915.16
  6. Step 6: Final answer
    x = 9,639,314,434.78

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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.