Home / 205,215,735,455.62-307,874,874,590.54-144,827,921,187.62

Finding the Fourth Proportional to 205,215,735,455.62, 307,874,874,590.54 and 144,827,921,187.62

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Solution

The fourth proportional to 205,215,735,455.62, 307,874,874,590.54 and 144,827,921,187.62 is: 217,278,065,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,215,735,455.62 : 307,874,874,590.54 = 144,827,921,187.62 : x
  2. Step 2: Convert to fraction form
    205,215,735,455.62/307,874,874,590.54 = 144,827,921,187.62/x
  3. Step 3: Cross multiply
    205,215,735,455.62x = 307,874,874,590.54 × 144,827,921,187.62
  4. Step 4: Simplify right side
    205,215,735,455.62x = 44,588,878,072,847,116,795,904
  5. Step 5: Solve for x
    x = 44,588,878,072,847,116,795,904/205,215,735,455.62
  6. Step 6: Final answer
    x = 217,278,065,806.46

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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.