Home / 1,993,312,197.80-2,989,968,296.70-957,923,412.20

Finding the Fourth Proportional to 1,993,312,197.80, 2,989,968,296.70 and 957,923,412.20

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Solution

The fourth proportional to 1,993,312,197.80, 2,989,968,296.70 and 957,923,412.20 is: 1,436,885,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,312,197.80 : 2,989,968,296.70 = 957,923,412.20 : x
  2. Step 2: Convert to fraction form
    1,993,312,197.80/2,989,968,296.70 = 957,923,412.20/x
  3. Step 3: Cross multiply
    1,993,312,197.80x = 2,989,968,296.70 × 957,923,412.20
  4. Step 4: Simplify right side
    1,993,312,197.80x = 2,864,160,633,144,686,080
  5. Step 5: Solve for x
    x = 2,864,160,633,144,686,080/1,993,312,197.80
  6. Step 6: Final answer
    x = 1,436,885,118.30

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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.