Home / 38,105,627,675.38-52,585,809,788.22-21,188,912,021.98

Finding the Fourth Proportional to 38,105,627,675.38, 52,585,809,788.22 and 21,188,912,021.98

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Solution

The fourth proportional to 38,105,627,675.38, 52,585,809,788.22 and 21,188,912,021.98 is: 29,240,722,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105,627,675.38 : 52,585,809,788.22 = 21,188,912,021.98 : x
  2. Step 2: Convert to fraction form
    38,105,627,675.38/52,585,809,788.22 = 21,188,912,021.98/x
  3. Step 3: Cross multiply
    38,105,627,675.38x = 52,585,809,788.22 × 21,188,912,021.98
  4. Step 4: Simplify right side
    38,105,627,675.38x = 1,114,236,097,207,168,270,336
  5. Step 5: Solve for x
    x = 1,114,236,097,207,168,270,336/38,105,627,675.38
  6. Step 6: Final answer
    x = 29,240,722,832.31

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Double scale
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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.