Home / 5,131,096,880.31-7,696,670,947.65-1,814,914,506.78

Finding the Fourth Proportional to 5,131,096,880.31, 7,696,670,947.65 and 1,814,914,506.78

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Solution

The fourth proportional to 5,131,096,880.31, 7,696,670,947.65 and 1,814,914,506.78 is: 2,722,380,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,096,880.31 : 7,696,670,947.65 = 1,814,914,506.78 : x
  2. Step 2: Convert to fraction form
    5,131,096,880.31/7,696,670,947.65 = 1,814,914,506.78/x
  3. Step 3: Cross multiply
    5,131,096,880.31x = 7,696,670,947.65 × 1,814,914,506.78
  4. Step 4: Simplify right side
    5,131,096,880.31x = 13,968,799,756,802,154,496
  5. Step 5: Solve for x
    x = 13,968,799,756,802,154,496/5,131,096,880.31
  6. Step 6: Final answer
    x = 2,722,380,824.73

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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.