Home / 11,787,953,615.04-17,673,213,421.92-7,128,791,767.61

Finding the Fourth Proportional to 11,787,953,615.04, 17,673,213,421.92 and 7,128,791,767.61

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Solution

The fourth proportional to 11,787,953,615.04, 17,673,213,421.92 and 7,128,791,767.61 is: 10,687,916,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,953,615.04 : 17,673,213,421.92 = 7,128,791,767.61 : x
  2. Step 2: Convert to fraction form
    11,787,953,615.04/17,673,213,421.92 = 7,128,791,767.61/x
  3. Step 3: Cross multiply
    11,787,953,615.04x = 17,673,213,421.92 × 7,128,791,767.61
  4. Step 4: Simplify right side
    11,787,953,615.04x = 125,988,658,349,390,970,880
  5. Step 5: Solve for x
    x = 125,988,658,349,390,970,880/11,787,953,615.04
  6. Step 6: Final answer
    x = 10,687,916,025.44

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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.