Home / 21,768,025,723.92-30,037,959,501.30-12,122,026,801.56

Finding the Fourth Proportional to 21,768,025,723.92, 30,037,959,501.30 and 12,122,026,801.56

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Solution

The fourth proportional to 21,768,025,723.92, 30,037,959,501.30 and 12,122,026,801.56 is: 16,727,330,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768,025,723.92 : 30,037,959,501.30 = 12,122,026,801.56 : x
  2. Step 2: Convert to fraction form
    21,768,025,723.92/30,037,959,501.30 = 12,122,026,801.56/x
  3. Step 3: Cross multiply
    21,768,025,723.92x = 30,037,959,501.30 × 12,122,026,801.56
  4. Step 4: Simplify right side
    21,768,025,723.92x = 364,120,950,138,932,428,800
  5. Step 5: Solve for x
    x = 364,120,950,138,932,428,800/21,768,025,723.92
  6. Step 6: Final answer
    x = 16,727,330,018.67

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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.