Home / 1,964,222,528.72-2,710,222,450.28-1,128,685,674.11

Finding the Fourth Proportional to 1,964,222,528.72, 2,710,222,450.28 and 1,128,685,674.11

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Solution

The fourth proportional to 1,964,222,528.72, 2,710,222,450.28 and 1,128,685,674.11 is: 1,557,353,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,222,528.72 : 2,710,222,450.28 = 1,128,685,674.11 : x
  2. Step 2: Convert to fraction form
    1,964,222,528.72/2,710,222,450.28 = 1,128,685,674.11/x
  3. Step 3: Cross multiply
    1,964,222,528.72x = 2,710,222,450.28 × 1,128,685,674.11
  4. Step 4: Simplify right side
    1,964,222,528.72x = 3,058,989,253,273,865,728
  5. Step 5: Solve for x
    x = 3,058,989,253,273,865,728/1,964,222,528.72
  6. Step 6: Final answer
    x = 1,557,353,715.56

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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.