Home / 38,615,927,871.70-57,892,633,600.36-12,072,781,619.09

Finding the Fourth Proportional to 38,615,927,871.70, 57,892,633,600.36 and 12,072,781,619.09

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Solution

The fourth proportional to 38,615,927,871.70, 57,892,633,600.36 and 12,072,781,619.09 is: 18,099,399,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615,927,871.70 : 57,892,633,600.36 = 12,072,781,619.09 : x
  2. Step 2: Convert to fraction form
    38,615,927,871.70/57,892,633,600.36 = 12,072,781,619.09/x
  3. Step 3: Cross multiply
    38,615,927,871.70x = 57,892,633,600.36 × 12,072,781,619.09
  4. Step 4: Simplify right side
    38,615,927,871.70x = 698,925,122,811,138,408,448
  5. Step 5: Solve for x
    x = 698,925,122,811,138,408,448/38,615,927,871.70
  6. Step 6: Final answer
    x = 18,099,399,945.36

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1.5x scale

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.