Home / 491,594,536.51-678,400,732.57-265,533,519.13

Finding the Fourth Proportional to 491,594,536.51, 678,400,732.57 and 265,533,519.13

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Solution

The fourth proportional to 491,594,536.51, 678,400,732.57 and 265,533,519.13 is: 366,436,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,594,536.51 : 678,400,732.57 = 265,533,519.13 : x
  2. Step 2: Convert to fraction form
    491,594,536.51/678,400,732.57 = 265,533,519.13/x
  3. Step 3: Cross multiply
    491,594,536.51x = 678,400,732.57 × 265,533,519.13
  4. Step 4: Simplify right side
    491,594,536.51x = 180,138,133,901,378,112
  5. Step 5: Solve for x
    x = 180,138,133,901,378,112/491,594,536.51
  6. Step 6: Final answer
    x = 366,436,403.42

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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.