Home / 420,379,047.75-580,140,710.19-241,763,075.61

Finding the Fourth Proportional to 420,379,047.75, 580,140,710.19 and 241,763,075.61

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Solution

The fourth proportional to 420,379,047.75, 580,140,710.19 and 241,763,075.61 is: 333,643,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,379,047.75 : 580,140,710.19 = 241,763,075.61 : x
  2. Step 2: Convert to fraction form
    420,379,047.75/580,140,710.19 = 241,763,075.61/x
  3. Step 3: Cross multiply
    420,379,047.75x = 580,140,710.19 × 241,763,075.61
  4. Step 4: Simplify right side
    420,379,047.75x = 140,256,602,382,104,096
  5. Step 5: Solve for x
    x = 140,256,602,382,104,096/420,379,047.75
  6. Step 6: Final answer
    x = 333,643,180.20

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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.