Home / 18,627,043,071.86-25,705,188,673.24-10,168,866,848.78

Finding the Fourth Proportional to 18,627,043,071.86, 25,705,188,673.24 and 10,168,866,848.78

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Solution

The fourth proportional to 18,627,043,071.86, 25,705,188,673.24 and 10,168,866,848.78 is: 14,032,964,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,043,071.86 : 25,705,188,673.24 = 10,168,866,848.78 : x
  2. Step 2: Convert to fraction form
    18,627,043,071.86/25,705,188,673.24 = 10,168,866,848.78/x
  3. Step 3: Cross multiply
    18,627,043,071.86x = 25,705,188,673.24 × 10,168,866,848.78
  4. Step 4: Simplify right side
    18,627,043,071.86x = 261,392,640,940,945,408,000
  5. Step 5: Solve for x
    x = 261,392,640,940,945,408,000/18,627,043,071.86
  6. Step 6: Final answer
    x = 14,032,964,863.64

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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.