Home / 1,844,543,721.20-2,766,815,581.80-1,666,617,274.40

Finding the Fourth Proportional to 1,844,543,721.20, 2,766,815,581.80 and 1,666,617,274.40

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Solution

The fourth proportional to 1,844,543,721.20, 2,766,815,581.80 and 1,666,617,274.40 is: 2,499,925,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,543,721.20 : 2,766,815,581.80 = 1,666,617,274.40 : x
  2. Step 2: Convert to fraction form
    1,844,543,721.20/2,766,815,581.80 = 1,666,617,274.40/x
  3. Step 3: Cross multiply
    1,844,543,721.20x = 2,766,815,581.80 × 1,666,617,274.40
  4. Step 4: Simplify right side
    1,844,543,721.20x = 4,611,222,643,706,967,040
  5. Step 5: Solve for x
    x = 4,611,222,643,706,967,040/1,844,543,721.20
  6. Step 6: Final answer
    x = 2,499,925,911.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.