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Finding the Fourth Proportional to 929,609,927.10, 1,394,414,890.65 and 929,609,927.10

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Solution

The fourth proportional to 929,609,927.10, 1,394,414,890.65 and 929,609,927.10 is: 1,394,414,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,609,927.10 : 1,394,414,890.65 = 929,609,927.10 : x
  2. Step 2: Convert to fraction form
    929,609,927.10/1,394,414,890.65 = 929,609,927.10/x
  3. Step 3: Cross multiply
    929,609,927.10x = 1,394,414,890.65 × 929,609,927.10
  4. Step 4: Simplify right side
    929,609,927.10x = 1,296,261,924,844,301,056
  5. Step 5: Solve for x
    x = 1,296,261,924,844,301,056/929,609,927.10
  6. Step 6: Final answer
    x = 1,394,414,890.65

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Double scale
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1.5x scale

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.