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Finding the Fourth Proportional to 295,865,999.70, 443,798,999.55 and 123,466,539.30

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Solution

The fourth proportional to 295,865,999.70, 443,798,999.55 and 123,466,539.30 is: 185,199,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,865,999.70 : 443,798,999.55 = 123,466,539.30 : x
  2. Step 2: Convert to fraction form
    295,865,999.70/443,798,999.55 = 123,466,539.30/x
  3. Step 3: Cross multiply
    295,865,999.70x = 443,798,999.55 × 123,466,539.30
  4. Step 4: Simplify right side
    295,865,999.70x = 54,794,326,619,240,760
  5. Step 5: Solve for x
    x = 54,794,326,619,240,760/295,865,999.70
  6. Step 6: Final answer
    x = 185,199,808.95

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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.