Home / 21,341,668,680.58-29,451,678,243.96-11,826,379,335.82

Finding the Fourth Proportional to 21,341,668,680.58, 29,451,678,243.96 and 11,826,379,335.82

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Solution

The fourth proportional to 21,341,668,680.58, 29,451,678,243.96 and 11,826,379,335.82 is: 16,320,500,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341,668,680.58 : 29,451,678,243.96 = 11,826,379,335.82 : x
  2. Step 2: Convert to fraction form
    21,341,668,680.58/29,451,678,243.96 = 11,826,379,335.82/x
  3. Step 3: Cross multiply
    21,341,668,680.58x = 29,451,678,243.96 × 11,826,379,335.82
  4. Step 4: Simplify right side
    21,341,668,680.58x = 348,306,718,989,587,972,096
  5. Step 5: Solve for x
    x = 348,306,718,989,587,972,096/21,341,668,680.58
  6. Step 6: Final answer
    x = 16,320,500,716.35

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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.