Home / 1,212,940,109.70-1,819,410,164.55-395,052,410.70

Finding the Fourth Proportional to 1,212,940,109.70, 1,819,410,164.55 and 395,052,410.70

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Solution

The fourth proportional to 1,212,940,109.70, 1,819,410,164.55 and 395,052,410.70 is: 592,578,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,940,109.70 : 1,819,410,164.55 = 395,052,410.70 : x
  2. Step 2: Convert to fraction form
    1,212,940,109.70/1,819,410,164.55 = 395,052,410.70/x
  3. Step 3: Cross multiply
    1,212,940,109.70x = 1,819,410,164.55 × 395,052,410.70
  4. Step 4: Simplify right side
    1,212,940,109.70x = 718,762,371,557,561,088
  5. Step 5: Solve for x
    x = 718,762,371,557,561,088/1,212,940,109.70
  6. Step 6: Final answer
    x = 592,578,616.05

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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.