Home / 269,614,275,090.72-371,888,504,415.81-173,392,083,130.92

Finding the Fourth Proportional to 269,614,275,090.72, 371,888,504,415.81 and 173,392,083,130.92

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Solution

The fourth proportional to 269,614,275,090.72, 371,888,504,415.81 and 173,392,083,130.92 is: 239,165,832,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,614,275,090.72 : 371,888,504,415.81 = 173,392,083,130.92 : x
  2. Step 2: Convert to fraction form
    269,614,275,090.72/371,888,504,415.81 = 173,392,083,130.92/x
  3. Step 3: Cross multiply
    269,614,275,090.72x = 371,888,504,415.81 × 173,392,083,130.92
  4. Step 4: Simplify right side
    269,614,275,090.72x = 64,482,522,473,099,639,652,352
  5. Step 5: Solve for x
    x = 64,482,522,473,099,639,652,352/269,614,275,090.72
  6. Step 6: Final answer
    x = 239,165,832,192.69

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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.