Home / 1,964,222,578.65-2,710,222,519.11-1,128,685,724.04

Finding the Fourth Proportional to 1,964,222,578.65, 2,710,222,519.11 and 1,128,685,724.04

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Solution

The fourth proportional to 1,964,222,578.65, 2,710,222,519.11 and 1,128,685,724.04 is: 1,557,353,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,222,578.65 : 2,710,222,519.11 = 1,128,685,724.04 : x
  2. Step 2: Convert to fraction form
    1,964,222,578.65/2,710,222,519.11 = 1,128,685,724.04/x
  3. Step 3: Cross multiply
    1,964,222,578.65x = 2,710,222,519.11 × 1,128,685,724.04
  4. Step 4: Simplify right side
    1,964,222,578.65x = 3,058,989,466,291,183,104
  5. Step 5: Solve for x
    x = 3,058,989,466,291,183,104/1,964,222,578.65
  6. Step 6: Final answer
    x = 1,557,353,784.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.