Home / 403,910,980.74-557,373,131.43-234,352,083.06

Finding the Fourth Proportional to 403,910,980.74, 557,373,131.43 and 234,352,083.06

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Solution

The fourth proportional to 403,910,980.74, 557,373,131.43 and 234,352,083.06 is: 323,391,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,910,980.74 : 557,373,131.43 = 234,352,083.06 : x
  2. Step 2: Convert to fraction form
    403,910,980.74/557,373,131.43 = 234,352,083.06/x
  3. Step 3: Cross multiply
    403,910,980.74x = 557,373,131.43 × 234,352,083.06
  4. Step 4: Simplify right side
    403,910,980.74x = 130,621,554,392,295,648
  5. Step 5: Solve for x
    x = 130,621,554,392,295,648/403,910,980.74
  6. Step 6: Final answer
    x = 323,391,936.89

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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.