Home / 1,100,138,181.15-1,518,585,590.82-654,100,480.29

Finding the Fourth Proportional to 1,100,138,181.15, 1,518,585,590.82 and 654,100,480.29

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Solution

The fourth proportional to 1,100,138,181.15, 1,518,585,590.82 and 654,100,480.29 is: 902,893,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,138,181.15 : 1,518,585,590.82 = 654,100,480.29 : x
  2. Step 2: Convert to fraction form
    1,100,138,181.15/1,518,585,590.82 = 654,100,480.29/x
  3. Step 3: Cross multiply
    1,100,138,181.15x = 1,518,585,590.82 × 654,100,480.29
  4. Step 4: Simplify right side
    1,100,138,181.15x = 993,307,564,325,030,784
  5. Step 5: Solve for x
    x = 993,307,564,325,030,784/1,100,138,181.15
  6. Step 6: Final answer
    x = 902,893,455.88

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Double scale
Find fourth proportional to 1,100,138,182.15, 1,518,585,592.20 and 654,100,481.29
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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.