Home / 5,100,882,011.76-7,038,932,559.66-2,811,940,372.20

Finding the Fourth Proportional to 5,100,882,011.76, 7,038,932,559.66 and 2,811,940,372.20

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Solution

The fourth proportional to 5,100,882,011.76, 7,038,932,559.66 and 2,811,940,372.20 is: 3,880,320,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,882,011.76 : 7,038,932,559.66 = 2,811,940,372.20 : x
  2. Step 2: Convert to fraction form
    5,100,882,011.76/7,038,932,559.66 = 2,811,940,372.20/x
  3. Step 3: Cross multiply
    5,100,882,011.76x = 7,038,932,559.66 × 2,811,940,372.20
  4. Step 4: Simplify right side
    5,100,882,011.76x = 19,793,058,641,701,036,032
  5. Step 5: Solve for x
    x = 19,793,058,641,701,036,032/5,100,882,011.76
  6. Step 6: Final answer
    x = 3,880,320,814.34

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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.