Home / 1,669,686,149.47-2,504,527,785.20-426,116,513.32

Finding the Fourth Proportional to 1,669,686,149.47, 2,504,527,785.20 and 426,116,513.32

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Solution

The fourth proportional to 1,669,686,149.47, 2,504,527,785.20 and 426,116,513.32 is: 639,174,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,686,149.47 : 2,504,527,785.20 = 426,116,513.32 : x
  2. Step 2: Convert to fraction form
    1,669,686,149.47/2,504,527,785.20 = 426,116,513.32/x
  3. Step 3: Cross multiply
    1,669,686,149.47x = 2,504,527,785.20 × 426,116,513.32
  4. Step 4: Simplify right side
    1,669,686,149.47x = 1,067,220,647,342,485,760
  5. Step 5: Solve for x
    x = 1,067,220,647,342,485,760/1,669,686,149.47
  6. Step 6: Final answer
    x = 639,174,402.74

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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.