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Finding the Fourth Proportional to 397,979,472,002.60, 596,969,208,003.90 and 397,979,472,002.60

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Solution

The fourth proportional to 397,979,472,002.60, 596,969,208,003.90 and 397,979,472,002.60 is: 596,969,208,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,979,472,002.60 : 596,969,208,003.90 = 397,979,472,002.60 : x
  2. Step 2: Convert to fraction form
    397,979,472,002.60/596,969,208,003.90 = 397,979,472,002.60/x
  3. Step 3: Cross multiply
    397,979,472,002.60x = 596,969,208,003.90 × 397,979,472,002.60
  4. Step 4: Simplify right side
    397,979,472,002.60x = 237,581,490,203,202,418,638,848
  5. Step 5: Solve for x
    x = 237,581,490,203,202,418,638,848/397,979,472,002.60
  6. Step 6: Final answer
    x = 596,969,208,003.90

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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.