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Finding the Fourth Proportional to 1,796,313,813.60, 2,694,470,720.40 and 876,780,040.80

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Solution

The fourth proportional to 1,796,313,813.60, 2,694,470,720.40 and 876,780,040.80 is: 1,315,170,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,313,813.60 : 2,694,470,720.40 = 876,780,040.80 : x
  2. Step 2: Convert to fraction form
    1,796,313,813.60/2,694,470,720.40 = 876,780,040.80/x
  3. Step 3: Cross multiply
    1,796,313,813.60x = 2,694,470,720.40 × 876,780,040.80
  4. Step 4: Simplify right side
    1,796,313,813.60x = 2,362,458,148,166,717,440
  5. Step 5: Solve for x
    x = 2,362,458,148,166,717,440/1,796,313,813.60
  6. Step 6: Final answer
    x = 1,315,170,061.20

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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.