Home / 288,872,985,492.82-432,932,537,785.09-161,382,527,540.71

Finding the Fourth Proportional to 288,872,985,492.82, 432,932,537,785.09 and 161,382,527,540.71

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Solution

The fourth proportional to 288,872,985,492.82, 432,932,537,785.09 and 161,382,527,540.71 is: 241,863,208,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,872,985,492.82 : 432,932,537,785.09 = 161,382,527,540.71 : x
  2. Step 2: Convert to fraction form
    288,872,985,492.82/432,932,537,785.09 = 161,382,527,540.71/x
  3. Step 3: Cross multiply
    288,872,985,492.82x = 432,932,537,785.09 × 161,382,527,540.71
  4. Step 4: Simplify right side
    288,872,985,492.82x = 69,867,747,202,371,761,995,776
  5. Step 5: Solve for x
    x = 69,867,747,202,371,761,995,776/288,872,985,492.82
  6. Step 6: Final answer
    x = 241,863,208,784.22

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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.