Home / 403,833,839.56-557,330,043.36-238,874,553.16

Finding the Fourth Proportional to 403,833,839.56, 557,330,043.36 and 238,874,553.16

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Solution

The fourth proportional to 403,833,839.56, 557,330,043.36 and 238,874,553.16 is: 329,670,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,833,839.56 : 557,330,043.36 = 238,874,553.16 : x
  2. Step 2: Convert to fraction form
    403,833,839.56/557,330,043.36 = 238,874,553.16/x
  3. Step 3: Cross multiply
    403,833,839.56x = 557,330,043.36 × 238,874,553.16
  4. Step 4: Simplify right side
    403,833,839.56x = 133,131,965,070,263,424
  5. Step 5: Solve for x
    x = 133,131,965,070,263,424/403,833,839.56
  6. Step 6: Final answer
    x = 329,670,156.46

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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.