Home / 584,470,919.70-806,541,207.39-320,154,085.44

Finding the Fourth Proportional to 584,470,919.70, 806,541,207.39 and 320,154,085.44

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Solution

The fourth proportional to 584,470,919.70, 806,541,207.39 and 320,154,085.44 is: 441,796,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,470,919.70 : 806,541,207.39 = 320,154,085.44 : x
  2. Step 2: Convert to fraction form
    584,470,919.70/806,541,207.39 = 320,154,085.44/x
  3. Step 3: Cross multiply
    584,470,919.70x = 806,541,207.39 × 320,154,085.44
  4. Step 4: Simplify right side
    584,470,919.70x = 258,217,462,621,618,816
  5. Step 5: Solve for x
    x = 258,217,462,621,618,816/584,470,919.70
  6. Step 6: Final answer
    x = 441,796,937.91

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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.