Home / 331,771,691.75-458,017,052.72-242,363,241.32

Finding the Fourth Proportional to 331,771,691.75, 458,017,052.72 and 242,363,241.32

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Solution

The fourth proportional to 331,771,691.75, 458,017,052.72 and 242,363,241.32 is: 334,587,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,771,691.75 : 458,017,052.72 = 242,363,241.32 : x
  2. Step 2: Convert to fraction form
    331,771,691.75/458,017,052.72 = 242,363,241.32/x
  3. Step 3: Cross multiply
    331,771,691.75x = 458,017,052.72 × 242,363,241.32
  4. Step 4: Simplify right side
    331,771,691.75x = 111,006,497,473,550,608
  5. Step 5: Solve for x
    x = 111,006,497,473,550,608/331,771,691.75
  6. Step 6: Final answer
    x = 334,587,007.38

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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.