Home / 3,996,708,884.03-5,515,239,752.42-2,187,870,831.57

Finding the Fourth Proportional to 3,996,708,884.03, 5,515,239,752.42 and 2,187,870,831.57

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Solution

The fourth proportional to 3,996,708,884.03, 5,515,239,752.42 and 2,187,870,831.57 is: 3,019,142,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,708,884.03 : 5,515,239,752.42 = 2,187,870,831.57 : x
  2. Step 2: Convert to fraction form
    3,996,708,884.03/5,515,239,752.42 = 2,187,870,831.57/x
  3. Step 3: Cross multiply
    3,996,708,884.03x = 5,515,239,752.42 × 2,187,870,831.57
  4. Step 4: Simplify right side
    3,996,708,884.03x = 12,066,632,183,424,126,976
  5. Step 5: Solve for x
    x = 12,066,632,183,424,126,976/3,996,708,884.03
  6. Step 6: Final answer
    x = 3,019,142,132.58

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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.