Home / 13,941,504,838.40-20,912,257,257.60-5,216,235,641.60

Finding the Fourth Proportional to 13,941,504,838.40, 20,912,257,257.60 and 5,216,235,641.60

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Solution

The fourth proportional to 13,941,504,838.40, 20,912,257,257.60 and 5,216,235,641.60 is: 7,824,353,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,504,838.40 : 20,912,257,257.60 = 5,216,235,641.60 : x
  2. Step 2: Convert to fraction form
    13,941,504,838.40/20,912,257,257.60 = 5,216,235,641.60/x
  3. Step 3: Cross multiply
    13,941,504,838.40x = 20,912,257,257.60 × 5,216,235,641.60
  4. Step 4: Simplify right side
    13,941,504,838.40x = 109,083,261,653,401,387,008
  5. Step 5: Solve for x
    x = 109,083,261,653,401,387,008/13,941,504,838.40
  6. Step 6: Final answer
    x = 7,824,353,462.40

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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.