Home / 2,013,944,119.15-2,778,873,942.32-1,121,848,645.18

Finding the Fourth Proportional to 2,013,944,119.15, 2,778,873,942.32 and 1,121,848,645.18

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Solution

The fourth proportional to 2,013,944,119.15, 2,778,873,942.32 and 1,121,848,645.18 is: 1,547,945,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,944,119.15 : 2,778,873,942.32 = 1,121,848,645.18 : x
  2. Step 2: Convert to fraction form
    2,013,944,119.15/2,778,873,942.32 = 1,121,848,645.18/x
  3. Step 3: Cross multiply
    2,013,944,119.15x = 2,778,873,942.32 × 1,121,848,645.18
  4. Step 4: Simplify right side
    2,013,944,119.15x = 3,117,475,967,309,291,520
  5. Step 5: Solve for x
    x = 3,117,475,967,309,291,520/2,013,944,119.15
  6. Step 6: Final answer
    x = 1,547,945,614.61

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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.