Home / 262,080,028.40-393,120,042.60-262,080,028.40

Finding the Fourth Proportional to 262,080,028.40, 393,120,042.60 and 262,080,028.40

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Solution

The fourth proportional to 262,080,028.40, 393,120,042.60 and 262,080,028.40 is: 393,120,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,080,028.40 : 393,120,042.60 = 262,080,028.40 : x
  2. Step 2: Convert to fraction form
    262,080,028.40/393,120,042.60 = 262,080,028.40/x
  3. Step 3: Cross multiply
    262,080,028.40x = 393,120,042.60 × 262,080,028.40
  4. Step 4: Simplify right side
    262,080,028.40x = 103,028,911,929,217,216
  5. Step 5: Solve for x
    x = 103,028,911,929,217,216/262,080,028.40
  6. Step 6: Final answer
    x = 393,120,042.60

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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.