Home / 1,821,401,941.16-2,513,535,519.78-986,026,511.75

Finding the Fourth Proportional to 1,821,401,941.16, 2,513,535,519.78 and 986,026,511.75

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Solution

The fourth proportional to 1,821,401,941.16, 2,513,535,519.78 and 986,026,511.75 is: 1,360,717,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,401,941.16 : 2,513,535,519.78 = 986,026,511.75 : x
  2. Step 2: Convert to fraction form
    1,821,401,941.16/2,513,535,519.78 = 986,026,511.75/x
  3. Step 3: Cross multiply
    1,821,401,941.16x = 2,513,535,519.78 × 986,026,511.75
  4. Step 4: Simplify right side
    1,821,401,941.16x = 2,478,412,660,728,396,800
  5. Step 5: Solve for x
    x = 2,478,412,660,728,396,800/1,821,401,941.16
  6. Step 6: Final answer
    x = 1,360,717,041.48

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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.