Home / 1,821,379,492.20-2,513,504,510.74-986,004,035.76

Finding the Fourth Proportional to 1,821,379,492.20, 2,513,504,510.74 and 986,004,035.76

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Solution

The fourth proportional to 1,821,379,492.20, 2,513,504,510.74 and 986,004,035.76 is: 1,360,686,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,379,492.20 : 2,513,504,510.74 = 986,004,035.76 : x
  2. Step 2: Convert to fraction form
    1,821,379,492.20/2,513,504,510.74 = 986,004,035.76/x
  3. Step 3: Cross multiply
    1,821,379,492.20x = 2,513,504,510.74 × 986,004,035.76
  4. Step 4: Simplify right side
    1,821,379,492.20x = 2,478,325,591,490,604,032
  5. Step 5: Solve for x
    x = 2,478,325,591,490,604,032/1,821,379,492.20
  6. Step 6: Final answer
    x = 1,360,686,008.66

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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.