Home / 3,315,857,876.60-4,575,947,561.78-1,810,543,912.18

Finding the Fourth Proportional to 3,315,857,876.60, 4,575,947,561.78 and 1,810,543,912.18

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Solution

The fourth proportional to 3,315,857,876.60, 4,575,947,561.78 and 1,810,543,912.18 is: 2,498,585,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,857,876.60 : 4,575,947,561.78 = 1,810,543,912.18 : x
  2. Step 2: Convert to fraction form
    3,315,857,876.60/4,575,947,561.78 = 1,810,543,912.18/x
  3. Step 3: Cross multiply
    3,315,857,876.60x = 4,575,947,561.78 × 1,810,543,912.18
  4. Step 4: Simplify right side
    3,315,857,876.60x = 8,284,954,000,415,200,256
  5. Step 5: Solve for x
    x = 8,284,954,000,415,200,256/3,315,857,876.60
  6. Step 6: Final answer
    x = 2,498,585,376.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.