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Finding the Fourth Proportional to 363,351,330.90, 545,026,996.35 and 363,351,330.90

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Solution

The fourth proportional to 363,351,330.90, 545,026,996.35 and 363,351,330.90 is: 545,026,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,351,330.90 : 545,026,996.35 = 363,351,330.90 : x
  2. Step 2: Convert to fraction form
    363,351,330.90/545,026,996.35 = 363,351,330.90/x
  3. Step 3: Cross multiply
    363,351,330.90x = 545,026,996.35 × 363,351,330.90
  4. Step 4: Simplify right side
    363,351,330.90x = 198,036,284,500,201,952
  5. Step 5: Solve for x
    x = 198,036,284,500,201,952/363,351,330.90
  6. Step 6: Final answer
    x = 545,026,996.35

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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.