Home / 11,787,953,616.04-17,673,213,423.42-7,128,791,768.61

Finding the Fourth Proportional to 11,787,953,616.04, 17,673,213,423.42 and 7,128,791,768.61

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Solution

The fourth proportional to 11,787,953,616.04, 17,673,213,423.42 and 7,128,791,768.61 is: 10,687,916,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,953,616.04 : 17,673,213,423.42 = 7,128,791,768.61 : x
  2. Step 2: Convert to fraction form
    11,787,953,616.04/17,673,213,423.42 = 7,128,791,768.61/x
  3. Step 3: Cross multiply
    11,787,953,616.04x = 17,673,213,423.42 × 7,128,791,768.61
  4. Step 4: Simplify right side
    11,787,953,616.04x = 125,988,658,377,764,241,408
  5. Step 5: Solve for x
    x = 125,988,658,377,764,241,408/11,787,953,616.04
  6. Step 6: Final answer
    x = 10,687,916,026.95

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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.