Home / 320,354,694.65-442,106,643.69-179,217,495.56

Finding the Fourth Proportional to 320,354,694.65, 442,106,643.69 and 179,217,495.56

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Solution

The fourth proportional to 320,354,694.65, 442,106,643.69 and 179,217,495.56 is: 247,329,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,354,694.65 : 442,106,643.69 = 179,217,495.56 : x
  2. Step 2: Convert to fraction form
    320,354,694.65/442,106,643.69 = 179,217,495.56/x
  3. Step 3: Cross multiply
    320,354,694.65x = 442,106,643.69 × 179,217,495.56
  4. Step 4: Simplify right side
    320,354,694.65x = 79,233,245,453,664,336
  5. Step 5: Solve for x
    x = 79,233,245,453,664,336/320,354,694.65
  6. Step 6: Final answer
    x = 247,329,746.61

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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.