Home / 1,659,128,642.97-2,488,116,646.22-923,321,415.93

Finding the Fourth Proportional to 1,659,128,642.97, 2,488,116,646.22 and 923,321,415.93

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Solution

The fourth proportional to 1,659,128,642.97, 2,488,116,646.22 and 923,321,415.93 is: 1,384,661,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,128,642.97 : 2,488,116,646.22 = 923,321,415.93 : x
  2. Step 2: Convert to fraction form
    1,659,128,642.97/2,488,116,646.22 = 923,321,415.93/x
  3. Step 3: Cross multiply
    1,659,128,642.97x = 2,488,116,646.22 × 923,321,415.93
  4. Step 4: Simplify right side
    1,659,128,642.97x = 2,297,331,384,782,236,672
  5. Step 5: Solve for x
    x = 2,297,331,384,782,236,672/1,659,128,642.97
  6. Step 6: Final answer
    x = 1,384,661,397.12

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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.