Home / 329,801,829.21-455,303,220.72-254,283,218.28

Finding the Fourth Proportional to 329,801,829.21, 455,303,220.72 and 254,283,218.28

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Solution

The fourth proportional to 329,801,829.21, 455,303,220.72 and 254,283,218.28 is: 351,047,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,801,829.21 : 455,303,220.72 = 254,283,218.28 : x
  2. Step 2: Convert to fraction form
    329,801,829.21/455,303,220.72 = 254,283,218.28/x
  3. Step 3: Cross multiply
    329,801,829.21x = 455,303,220.72 × 254,283,218.28
  4. Step 4: Simplify right side
    329,801,829.21x = 115,775,968,257,930,784
  5. Step 5: Solve for x
    x = 115,775,968,257,930,784/329,801,829.21
  6. Step 6: Final answer
    x = 351,047,077.38

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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.