Home / 198,483,776.37-297,686,429.19-188,640,575.64

Finding the Fourth Proportional to 198,483,776.37, 297,686,429.19 and 188,640,575.64

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Solution

The fourth proportional to 198,483,776.37, 297,686,429.19 and 188,640,575.64 is: 282,923,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,483,776.37 : 297,686,429.19 = 188,640,575.64 : x
  2. Step 2: Convert to fraction form
    198,483,776.37/297,686,429.19 = 188,640,575.64/x
  3. Step 3: Cross multiply
    198,483,776.37x = 297,686,429.19 × 188,640,575.64
  4. Step 4: Simplify right side
    198,483,776.37x = 56,155,739,362,617,696
  5. Step 5: Solve for x
    x = 56,155,739,362,617,696/198,483,776.37
  6. Step 6: Final answer
    x = 282,923,573.85

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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.