Home / 15,200,629,560.89-20,976,868,460.85-8,426,430,974.58

Finding the Fourth Proportional to 15,200,629,560.89, 20,976,868,460.85 and 8,426,430,974.58

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Solution

The fourth proportional to 15,200,629,560.89, 20,976,868,460.85 and 8,426,430,974.58 is: 11,628,474,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,629,560.89 : 20,976,868,460.85 = 8,426,430,974.58 : x
  2. Step 2: Convert to fraction form
    15,200,629,560.89/20,976,868,460.85 = 8,426,430,974.58/x
  3. Step 3: Cross multiply
    15,200,629,560.89x = 20,976,868,460.85 × 8,426,430,974.58
  4. Step 4: Simplify right side
    15,200,629,560.89x = 176,760,134,148,249,223,168
  5. Step 5: Solve for x
    x = 176,760,134,148,249,223,168/15,200,629,560.89
  6. Step 6: Final answer
    x = 11,628,474,560.22

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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.