Home / 1,821,401,821.89-2,513,535,355.17-986,026,392.48

Finding the Fourth Proportional to 1,821,401,821.89, 2,513,535,355.17 and 986,026,392.48

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Solution

The fourth proportional to 1,821,401,821.89, 2,513,535,355.17 and 986,026,392.48 is: 1,360,716,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,401,821.89 : 2,513,535,355.17 = 986,026,392.48 : x
  2. Step 2: Convert to fraction form
    1,821,401,821.89/2,513,535,355.17 = 986,026,392.48/x
  3. Step 3: Cross multiply
    1,821,401,821.89x = 2,513,535,355.17 × 986,026,392.48
  4. Step 4: Simplify right side
    1,821,401,821.89x = 2,478,412,198,629,210,624
  5. Step 5: Solve for x
    x = 2,478,412,198,629,210,624/1,821,401,821.89
  6. Step 6: Final answer
    x = 1,360,716,876.88

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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.