Home / 998,143,546.80-1,497,315,371.40-343,008,289.20

Finding the Fourth Proportional to 998,143,546.80, 1,497,315,371.40 and 343,008,289.20

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Solution

The fourth proportional to 998,143,546.80, 1,497,315,371.40 and 343,008,289.20 is: 514,546,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,143,546.80 : 1,497,315,371.40 = 343,008,289.20 : x
  2. Step 2: Convert to fraction form
    998,143,546.80/1,497,315,371.40 = 343,008,289.20/x
  3. Step 3: Cross multiply
    998,143,546.80x = 1,497,315,371.40 × 343,008,289.20
  4. Step 4: Simplify right side
    998,143,546.80x = 513,591,583,936,776,640
  5. Step 5: Solve for x
    x = 513,591,583,936,776,640/998,143,546.80
  6. Step 6: Final answer
    x = 514,546,816.02

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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.