Home / 1,821,401,818.89-2,513,535,351.03-986,026,389.48

Finding the Fourth Proportional to 1,821,401,818.89, 2,513,535,351.03 and 986,026,389.48

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Solution

The fourth proportional to 1,821,401,818.89, 2,513,535,351.03 and 986,026,389.48 is: 1,360,716,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,401,818.89 : 2,513,535,351.03 = 986,026,389.48 : x
  2. Step 2: Convert to fraction form
    1,821,401,818.89/2,513,535,351.03 = 986,026,389.48/x
  3. Step 3: Cross multiply
    1,821,401,818.89x = 2,513,535,351.03 × 986,026,389.48
  4. Step 4: Simplify right side
    1,821,401,818.89x = 2,478,412,187,015,881,216
  5. Step 5: Solve for x
    x = 2,478,412,187,015,881,216/1,821,401,818.89
  6. Step 6: Final answer
    x = 1,360,716,872.75

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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.