Home / 403,833,835.56-557,330,037.84-238,874,549.16

Finding the Fourth Proportional to 403,833,835.56, 557,330,037.84 and 238,874,549.16

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Solution

The fourth proportional to 403,833,835.56, 557,330,037.84 and 238,874,549.16 is: 329,670,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,833,835.56 : 557,330,037.84 = 238,874,549.16 : x
  2. Step 2: Convert to fraction form
    403,833,835.56/557,330,037.84 = 238,874,549.16/x
  3. Step 3: Cross multiply
    403,833,835.56x = 557,330,037.84 × 238,874,549.16
  4. Step 4: Simplify right side
    403,833,835.56x = 133,131,961,522,355,744
  5. Step 5: Solve for x
    x = 133,131,961,522,355,744/403,833,835.56
  6. Step 6: Final answer
    x = 329,670,150.94

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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.