Home / 1,964,222,580.15-2,710,222,521.18-1,128,685,725.54

Finding the Fourth Proportional to 1,964,222,580.15, 2,710,222,521.18 and 1,128,685,725.54

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Solution

The fourth proportional to 1,964,222,580.15, 2,710,222,521.18 and 1,128,685,725.54 is: 1,557,353,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,222,580.15 : 2,710,222,521.18 = 1,128,685,725.54 : x
  2. Step 2: Convert to fraction form
    1,964,222,580.15/2,710,222,521.18 = 1,128,685,725.54/x
  3. Step 3: Cross multiply
    1,964,222,580.15x = 2,710,222,521.18 × 1,128,685,725.54
  4. Step 4: Simplify right side
    1,964,222,580.15x = 3,058,989,472,692,896,256
  5. Step 5: Solve for x
    x = 3,058,989,472,692,896,256/1,964,222,580.15
  6. Step 6: Final answer
    x = 1,557,353,786.48

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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.