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Finding the Fourth Proportional to 896,870,490.30, 1,345,305,735.45 and 896,870,490.30

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Solution

The fourth proportional to 896,870,490.30, 1,345,305,735.45 and 896,870,490.30 is: 1,345,305,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,870,490.30 : 1,345,305,735.45 = 896,870,490.30 : x
  2. Step 2: Convert to fraction form
    896,870,490.30/1,345,305,735.45 = 896,870,490.30/x
  3. Step 3: Cross multiply
    896,870,490.30x = 1,345,305,735.45 × 896,870,490.30
  4. Step 4: Simplify right side
    896,870,490.30x = 1,206,565,014,556,443,648
  5. Step 5: Solve for x
    x = 1,206,565,014,556,443,648/896,870,490.30
  6. Step 6: Final answer
    x = 1,345,305,735.45

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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.