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Finding the Fourth Proportional to 363,798,179.00, 545,699,630.45 and 145,466,863.46

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Solution

The fourth proportional to 363,798,179.00, 545,699,630.45 and 145,466,863.46 is: 218,201,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,798,179.00 : 545,699,630.45 = 145,466,863.46 : x
  2. Step 2: Convert to fraction form
    363,798,179.00/545,699,630.45 = 145,466,863.46/x
  3. Step 3: Cross multiply
    363,798,179.00x = 545,699,630.45 × 145,466,863.46
  4. Step 4: Simplify right side
    363,798,179.00x = 79,381,213,630,477,776
  5. Step 5: Solve for x
    x = 79,381,213,630,477,776/363,798,179.00
  6. Step 6: Final answer
    x = 218,201,239.63

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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.