Home / 469,809,828.78-704,707,278.21-115,287,914.22

Finding the Fourth Proportional to 469,809,828.78, 704,707,278.21 and 115,287,914.22

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Solution

The fourth proportional to 469,809,828.78, 704,707,278.21 and 115,287,914.22 is: 172,930,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,809,828.78 : 704,707,278.21 = 115,287,914.22 : x
  2. Step 2: Convert to fraction form
    469,809,828.78/704,707,278.21 = 115,287,914.22/x
  3. Step 3: Cross multiply
    469,809,828.78x = 704,707,278.21 × 115,287,914.22
  4. Step 4: Simplify right side
    469,809,828.78x = 81,244,232,240,484,160
  5. Step 5: Solve for x
    x = 81,244,232,240,484,160/469,809,828.78
  6. Step 6: Final answer
    x = 172,930,039.48

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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.