Home / 366,025,764.56-505,113,719.40-198,760,531.67

Finding the Fourth Proportional to 366,025,764.56, 505,113,719.40 and 198,760,531.67

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Solution

The fourth proportional to 366,025,764.56, 505,113,719.40 and 198,760,531.67 is: 274,288,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,025,764.56 : 505,113,719.40 = 198,760,531.67 : x
  2. Step 2: Convert to fraction form
    366,025,764.56/505,113,719.40 = 198,760,531.67/x
  3. Step 3: Cross multiply
    366,025,764.56x = 505,113,719.40 × 198,760,531.67
  4. Step 4: Simplify right side
    366,025,764.56x = 100,396,671,421,755,184
  5. Step 5: Solve for x
    x = 100,396,671,421,755,184/366,025,764.56
  6. Step 6: Final answer
    x = 274,288,536.88

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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.