Home / 1,413,697,622.40-2,120,546,433.60-378,718,243.20

Finding the Fourth Proportional to 1,413,697,622.40, 2,120,546,433.60 and 378,718,243.20

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Solution

The fourth proportional to 1,413,697,622.40, 2,120,546,433.60 and 378,718,243.20 is: 568,077,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,697,622.40 : 2,120,546,433.60 = 378,718,243.20 : x
  2. Step 2: Convert to fraction form
    1,413,697,622.40/2,120,546,433.60 = 378,718,243.20/x
  3. Step 3: Cross multiply
    1,413,697,622.40x = 2,120,546,433.60 × 378,718,243.20
  4. Step 4: Simplify right side
    1,413,697,622.40x = 803,089,619,957,017,344
  5. Step 5: Solve for x
    x = 803,089,619,957,017,344/1,413,697,622.40
  6. Step 6: Final answer
    x = 568,077,364.80

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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.