Home / 1,964,223,329.82-2,710,223,553.92-1,128,686,475.20

Finding the Fourth Proportional to 1,964,223,329.82, 2,710,223,553.92 and 1,128,686,475.20

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Solution

The fourth proportional to 1,964,223,329.82, 2,710,223,553.92 and 1,128,686,475.20 is: 1,557,354,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,223,329.82 : 2,710,223,553.92 = 1,128,686,475.20 : x
  2. Step 2: Convert to fraction form
    1,964,223,329.82/2,710,223,553.92 = 1,128,686,475.20/x
  3. Step 3: Cross multiply
    1,964,223,329.82x = 2,710,223,553.92 × 1,128,686,475.20
  4. Step 4: Simplify right side
    1,964,223,329.82x = 3,058,992,670,077,982,208
  5. Step 5: Solve for x
    x = 3,058,992,670,077,982,208/1,964,223,329.82
  6. Step 6: Final answer
    x = 1,557,354,819.91

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Double scale
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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.