Home / 38,263,838,021.70-57,395,757,032.55-18,672,796,997.70

Finding the Fourth Proportional to 38,263,838,021.70, 57,395,757,032.55 and 18,672,796,997.70

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Solution

The fourth proportional to 38,263,838,021.70, 57,395,757,032.55 and 18,672,796,997.70 is: 28,009,195,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263,838,021.70 : 57,395,757,032.55 = 18,672,796,997.70 : x
  2. Step 2: Convert to fraction form
    38,263,838,021.70/57,395,757,032.55 = 18,672,796,997.70/x
  3. Step 3: Cross multiply
    38,263,838,021.70x = 57,395,757,032.55 × 18,672,796,997.70
  4. Step 4: Simplify right side
    38,263,838,021.70x = 1,071,739,319,598,118,338,560
  5. Step 5: Solve for x
    x = 1,071,739,319,598,118,338,560/38,263,838,021.70
  6. Step 6: Final answer
    x = 28,009,195,496.55

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Double scale
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1.5x scale

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.