Home / 20,255,833,874.54-30,380,992,664.21-5,331,749,691.89

Finding the Fourth Proportional to 20,255,833,874.54, 30,380,992,664.21 and 5,331,749,691.89

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Solution

The fourth proportional to 20,255,833,874.54, 30,380,992,664.21 and 5,331,749,691.89 is: 7,996,898,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,833,874.54 : 30,380,992,664.21 = 5,331,749,691.89 : x
  2. Step 2: Convert to fraction form
    20,255,833,874.54/30,380,992,664.21 = 5,331,749,691.89/x
  3. Step 3: Cross multiply
    20,255,833,874.54x = 30,380,992,664.21 × 5,331,749,691.89
  4. Step 4: Simplify right side
    20,255,833,874.54x = 161,983,848,276,535,476,224
  5. Step 5: Solve for x
    x = 161,983,848,276,535,476,224/20,255,833,874.54
  6. Step 6: Final answer
    x = 7,996,898,536.98

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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.