Home / 13,226,976,629.20-19,840,464,943.80-3,909,894,734.80

Finding the Fourth Proportional to 13,226,976,629.20, 19,840,464,943.80 and 3,909,894,734.80

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Solution

The fourth proportional to 13,226,976,629.20, 19,840,464,943.80 and 3,909,894,734.80 is: 5,864,842,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,976,629.20 : 19,840,464,943.80 = 3,909,894,734.80 : x
  2. Step 2: Convert to fraction form
    13,226,976,629.20/19,840,464,943.80 = 3,909,894,734.80/x
  3. Step 3: Cross multiply
    13,226,976,629.20x = 19,840,464,943.80 × 3,909,894,734.80
  4. Step 4: Simplify right side
    13,226,976,629.20x = 77,574,129,419,747,606,528
  5. Step 5: Solve for x
    x = 77,574,129,419,747,606,528/13,226,976,629.20
  6. Step 6: Final answer
    x = 5,864,842,102.20

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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.