Home / 491,594,536.26-678,400,732.22-265,533,518.88

Finding the Fourth Proportional to 491,594,536.26, 678,400,732.22 and 265,533,518.88

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Solution

The fourth proportional to 491,594,536.26, 678,400,732.22 and 265,533,518.88 is: 366,436,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,594,536.26 : 678,400,732.22 = 265,533,518.88 : x
  2. Step 2: Convert to fraction form
    491,594,536.26/678,400,732.22 = 265,533,518.88/x
  3. Step 3: Cross multiply
    491,594,536.26x = 678,400,732.22 × 265,533,518.88
  4. Step 4: Simplify right side
    491,594,536.26x = 180,138,133,639,588,928
  5. Step 5: Solve for x
    x = 180,138,133,639,588,928/491,594,536.26
  6. Step 6: Final answer
    x = 366,436,403.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.