Home / 389,247,214.58-537,162,579.75-210,631,104.51

Finding the Fourth Proportional to 389,247,214.58, 537,162,579.75 and 210,631,104.51

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Solution

The fourth proportional to 389,247,214.58, 537,162,579.75 and 210,631,104.51 is: 290,671,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,247,214.58 : 537,162,579.75 = 210,631,104.51 : x
  2. Step 2: Convert to fraction form
    389,247,214.58/537,162,579.75 = 210,631,104.51/x
  3. Step 3: Cross multiply
    389,247,214.58x = 537,162,579.75 × 210,631,104.51
  4. Step 4: Simplify right side
    389,247,214.58x = 113,143,147,474,183,456
  5. Step 5: Solve for x
    x = 113,143,147,474,183,456/389,247,214.58
  6. Step 6: Final answer
    x = 290,671,694.59

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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.