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Finding the Fourth Proportional to 331,001,858,000.40, 496,502,787,000.60 and 331,001,858,000.40

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Solution

The fourth proportional to 331,001,858,000.40, 496,502,787,000.60 and 331,001,858,000.40 is: 496,502,787,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,001,858,000.40 : 496,502,787,000.60 = 331,001,858,000.40 : x
  2. Step 2: Convert to fraction form
    331,001,858,000.40/496,502,787,000.60 = 331,001,858,000.40/x
  3. Step 3: Cross multiply
    331,001,858,000.40x = 496,502,787,000.60 × 331,001,858,000.40
  4. Step 4: Simplify right side
    331,001,858,000.40x = 164,343,344,999,575,452,647,424
  5. Step 5: Solve for x
    x = 164,343,344,999,575,452,647,424/331,001,858,000.40
  6. Step 6: Final answer
    x = 496,502,787,000.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.