Home / 1,362,080,245.68-2,043,120,395.55-326,941,126.79

Finding the Fourth Proportional to 1,362,080,245.68, 2,043,120,395.55 and 326,941,126.79

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Solution

The fourth proportional to 1,362,080,245.68, 2,043,120,395.55 and 326,941,126.79 is: 490,411,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,080,245.68 : 2,043,120,395.55 = 326,941,126.79 : x
  2. Step 2: Convert to fraction form
    1,362,080,245.68/2,043,120,395.55 = 326,941,126.79/x
  3. Step 3: Cross multiply
    1,362,080,245.68x = 2,043,120,395.55 × 326,941,126.79
  4. Step 4: Simplify right side
    1,362,080,245.68x = 667,980,084,278,531,968
  5. Step 5: Solve for x
    x = 667,980,084,278,531,968/1,362,080,245.68
  6. Step 6: Final answer
    x = 490,411,696.67

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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.