Home / 405,261,830.02-559,261,803.56-219,622,845.71

Finding the Fourth Proportional to 405,261,830.02, 559,261,803.56 and 219,622,845.71

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Solution

The fourth proportional to 405,261,830.02, 559,261,803.56 and 219,622,845.71 is: 303,079,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,830.02 : 559,261,803.56 = 219,622,845.71 : x
  2. Step 2: Convert to fraction form
    405,261,830.02/559,261,803.56 = 219,622,845.71/x
  3. Step 3: Cross multiply
    405,261,830.02x = 559,261,803.56 × 219,622,845.71
  4. Step 4: Simplify right side
    405,261,830.02x = 122,826,668,794,754,208
  5. Step 5: Solve for x
    x = 122,826,668,794,754,208/405,261,830.02
  6. Step 6: Final answer
    x = 303,079,786.19

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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.