Home / 38,263,838,021.20-57,395,757,031.80-18,672,796,997.20

Finding the Fourth Proportional to 38,263,838,021.20, 57,395,757,031.80 and 18,672,796,997.20

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Solution

The fourth proportional to 38,263,838,021.20, 57,395,757,031.80 and 18,672,796,997.20 is: 28,009,195,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263,838,021.20 : 57,395,757,031.80 = 18,672,796,997.20 : x
  2. Step 2: Convert to fraction form
    38,263,838,021.20/57,395,757,031.80 = 18,672,796,997.20/x
  3. Step 3: Cross multiply
    38,263,838,021.20x = 57,395,757,031.80 × 18,672,796,997.20
  4. Step 4: Simplify right side
    38,263,838,021.20x = 1,071,739,319,555,415,867,392
  5. Step 5: Solve for x
    x = 1,071,739,319,555,415,867,392/38,263,838,021.20
  6. Step 6: Final answer
    x = 28,009,195,495.80

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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.