Home / 5,149,520,949.60-7,725,432,859.20-1,877,970,153.60

Finding the Fourth Proportional to 5,149,520,949.60, 7,725,432,859.20 and 1,877,970,153.60

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Solution

The fourth proportional to 5,149,520,949.60, 7,725,432,859.20 and 1,877,970,153.60 is: 2,817,375,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,520,949.60 : 7,725,432,859.20 = 1,877,970,153.60 : x
  2. Step 2: Convert to fraction form
    5,149,520,949.60/7,725,432,859.20 = 1,877,970,153.60/x
  3. Step 3: Cross multiply
    5,149,520,949.60x = 7,725,432,859.20 × 1,877,970,153.60
  4. Step 4: Simplify right side
    5,149,520,949.60x = 14,508,132,333,218,310,144
  5. Step 5: Solve for x
    x = 14,508,132,333,218,310,144/5,149,520,949.60
  6. Step 6: Final answer
    x = 2,817,375,145.22

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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.