Home / 877,761,991.63-1,211,323,268.10-481,283,976.52

Finding the Fourth Proportional to 877,761,991.63, 1,211,323,268.10 and 481,283,976.52

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Solution

The fourth proportional to 877,761,991.63, 1,211,323,268.10 and 481,283,976.52 is: 664,178,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,761,991.63 : 1,211,323,268.10 = 481,283,976.52 : x
  2. Step 2: Convert to fraction form
    877,761,991.63/1,211,323,268.10 = 481,283,976.52/x
  3. Step 3: Cross multiply
    877,761,991.63x = 1,211,323,268.10 × 481,283,976.52
  4. Step 4: Simplify right side
    877,761,991.63x = 582,990,479,322,370,048
  5. Step 5: Solve for x
    x = 582,990,479,322,370,048/877,761,991.63
  6. Step 6: Final answer
    x = 664,178,313.58

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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.