Home / 14,451,164,548.09-19,940,989,601.86-8,021,255,575.33

Finding the Fourth Proportional to 14,451,164,548.09, 19,940,989,601.86 and 8,021,255,575.33

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Solution

The fourth proportional to 14,451,164,548.09, 19,940,989,601.86 and 8,021,255,575.33 is: 11,068,434,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451,164,548.09 : 19,940,989,601.86 = 8,021,255,575.33 : x
  2. Step 2: Convert to fraction form
    14,451,164,548.09/19,940,989,601.86 = 8,021,255,575.33/x
  3. Step 3: Cross multiply
    14,451,164,548.09x = 19,940,989,601.86 × 8,021,255,575.33
  4. Step 4: Simplify right side
    14,451,164,548.09x = 159,951,774,021,616,926,720
  5. Step 5: Solve for x
    x = 159,951,774,021,616,926,720/14,451,164,548.09
  6. Step 6: Final answer
    x = 11,068,434,899.44

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Double scale
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1.5x scale

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.