Home / 345,285,485.84-476,488,409.64-188,649,229.52

Finding the Fourth Proportional to 345,285,485.84, 476,488,409.64 and 188,649,229.52

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Solution

The fourth proportional to 345,285,485.84, 476,488,409.64 and 188,649,229.52 is: 260,332,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,285,485.84 : 476,488,409.64 = 188,649,229.52 : x
  2. Step 2: Convert to fraction form
    345,285,485.84/476,488,409.64 = 188,649,229.52/x
  3. Step 3: Cross multiply
    345,285,485.84x = 476,488,409.64 × 188,649,229.52
  4. Step 4: Simplify right side
    345,285,485.84x = 89,889,171,353,796,144
  5. Step 5: Solve for x
    x = 89,889,171,353,796,144/345,285,485.84
  6. Step 6: Final answer
    x = 260,332,898.54

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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.