Home / 20,627,272,292.42-30,940,869,819.15-6,463,322,360.72

Finding the Fourth Proportional to 20,627,272,292.42, 30,940,869,819.15 and 6,463,322,360.72

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Solution

The fourth proportional to 20,627,272,292.42, 30,940,869,819.15 and 6,463,322,360.72 is: 9,694,971,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,272,292.42 : 30,940,869,819.15 = 6,463,322,360.72 : x
  2. Step 2: Convert to fraction form
    20,627,272,292.42/30,940,869,819.15 = 6,463,322,360.72/x
  3. Step 3: Cross multiply
    20,627,272,292.42x = 30,940,869,819.15 × 6,463,322,360.72
  4. Step 4: Simplify right side
    20,627,272,292.42x = 199,980,815,762,201,640,960
  5. Step 5: Solve for x
    x = 199,980,815,762,201,640,960/20,627,272,292.42
  6. Step 6: Final answer
    x = 9,694,971,440.10

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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.