Home / 1,996,168,568.40-2,994,196,865.40-905,649,886.80

Finding the Fourth Proportional to 1,996,168,568.40, 2,994,196,865.40 and 905,649,886.80

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Solution

The fourth proportional to 1,996,168,568.40, 2,994,196,865.40 and 905,649,886.80 is: 1,358,449,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,168,568.40 : 2,994,196,865.40 = 905,649,886.80 : x
  2. Step 2: Convert to fraction form
    1,996,168,568.40/2,994,196,865.40 = 905,649,886.80/x
  3. Step 3: Cross multiply
    1,996,168,568.40x = 2,994,196,865.40 × 905,649,886.80
  4. Step 4: Simplify right side
    1,996,168,568.40x = 2,711,694,052,206,424,576
  5. Step 5: Solve for x
    x = 2,711,694,052,206,424,576/1,996,168,568.40
  6. Step 6: Final answer
    x = 1,358,449,429.14

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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.