Home / 1,917,451,011.98-2,647,909,892.58-1,812,989,474.34

Finding the Fourth Proportional to 1,917,451,011.98, 2,647,909,892.58 and 1,812,989,474.34

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Solution

The fourth proportional to 1,917,451,011.98, 2,647,909,892.58 and 1,812,989,474.34 is: 2,503,653,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,451,011.98 : 2,647,909,892.58 = 1,812,989,474.34 : x
  2. Step 2: Convert to fraction form
    1,917,451,011.98/2,647,909,892.58 = 1,812,989,474.34/x
  3. Step 3: Cross multiply
    1,917,451,011.98x = 2,647,909,892.58 × 1,812,989,474.34
  4. Step 4: Simplify right side
    1,917,451,011.98x = 4,800,632,764,248,299,520
  5. Step 5: Solve for x
    x = 4,800,632,764,248,299,520/1,917,451,011.98
  6. Step 6: Final answer
    x = 2,503,653,409.80

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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.