Home / 1,990,657,568.20-2,985,986,352.30-1,404,608,441.80

Finding the Fourth Proportional to 1,990,657,568.20, 2,985,986,352.30 and 1,404,608,441.80

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Solution

The fourth proportional to 1,990,657,568.20, 2,985,986,352.30 and 1,404,608,441.80 is: 2,106,912,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,568.20 : 2,985,986,352.30 = 1,404,608,441.80 : x
  2. Step 2: Convert to fraction form
    1,990,657,568.20/2,985,986,352.30 = 1,404,608,441.80/x
  3. Step 3: Cross multiply
    1,990,657,568.20x = 2,985,986,352.30 × 1,404,608,441.80
  4. Step 4: Simplify right side
    1,990,657,568.20x = 4,194,141,637,540,169,216
  5. Step 5: Solve for x
    x = 4,194,141,637,540,169,216/1,990,657,568.20
  6. Step 6: Final answer
    x = 2,106,912,662.70

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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.