Home / 291,100,663,246.22-436,659,890,458.86-99,870,018,467.63

Finding the Fourth Proportional to 291,100,663,246.22, 436,659,890,458.86 and 99,870,018,467.63

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Solution

The fourth proportional to 291,100,663,246.22, 436,659,890,458.86 and 99,870,018,467.63 is: 149,808,079,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,663,246.22 : 436,659,890,458.86 = 99,870,018,467.63 : x
  2. Step 2: Convert to fraction form
    291,100,663,246.22/436,659,890,458.86 = 99,870,018,467.63/x
  3. Step 3: Cross multiply
    291,100,663,246.22x = 436,659,890,458.86 × 99,870,018,467.63
  4. Step 4: Simplify right side
    291,100,663,246.22x = 43,609,231,324,197,454,610,432
  5. Step 5: Solve for x
    x = 43,609,231,324,197,454,610,432/291,100,663,246.22
  6. Step 6: Final answer
    x = 149,808,079,575.94

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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.