Home / 2,991,686,255.80-4,128,614,831.87-1,635,395,103.56

Finding the Fourth Proportional to 2,991,686,255.80, 4,128,614,831.87 and 1,635,395,103.56

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Solution

The fourth proportional to 2,991,686,255.80, 4,128,614,831.87 and 1,635,395,103.56 is: 2,256,893,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,686,255.80 : 4,128,614,831.87 = 1,635,395,103.56 : x
  2. Step 2: Convert to fraction form
    2,991,686,255.80/4,128,614,831.87 = 1,635,395,103.56/x
  3. Step 3: Cross multiply
    2,991,686,255.80x = 4,128,614,831.87 × 1,635,395,103.56
  4. Step 4: Simplify right side
    2,991,686,255.80x = 6,751,916,480,521,224,192
  5. Step 5: Solve for x
    x = 6,751,916,480,521,224,192/2,991,686,255.80
  6. Step 6: Final answer
    x = 2,256,893,237.86

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1.5x scale

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.