Home / 289,296,398,091.10-399,251,361,825.18-173,557,492,443.11

Finding the Fourth Proportional to 289,296,398,091.10, 399,251,361,825.18 and 173,557,492,443.11

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Solution

The fourth proportional to 289,296,398,091.10, 399,251,361,825.18 and 173,557,492,443.11 is: 239,522,737,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,296,398,091.10 : 399,251,361,825.18 = 173,557,492,443.11 : x
  2. Step 2: Convert to fraction form
    289,296,398,091.10/399,251,361,825.18 = 173,557,492,443.11/x
  3. Step 3: Cross multiply
    289,296,398,091.10x = 399,251,361,825.18 × 173,557,492,443.11
  4. Step 4: Simplify right side
    289,296,398,091.10x = 69,293,065,212,875,046,387,712
  5. Step 5: Solve for x
    x = 69,293,065,212,875,046,387,712/289,296,398,091.10
  6. Step 6: Final answer
    x = 239,522,737,476.51

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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.