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Finding the Fourth Proportional to 567,651,609.70, 851,477,414.55 and 513,232,051.30

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Solution

The fourth proportional to 567,651,609.70, 851,477,414.55 and 513,232,051.30 is: 769,848,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,651,609.70 : 851,477,414.55 = 513,232,051.30 : x
  2. Step 2: Convert to fraction form
    567,651,609.70/851,477,414.55 = 513,232,051.30/x
  3. Step 3: Cross multiply
    567,651,609.70x = 851,477,414.55 × 513,232,051.30
  4. Step 4: Simplify right side
    567,651,609.70x = 437,005,500,105,116,928
  5. Step 5: Solve for x
    x = 437,005,500,105,116,928/567,651,609.70
  6. Step 6: Final answer
    x = 769,848,076.95

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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.