Home / 359,261,415.74-495,777,866.06-208,568,054.27

Finding the Fourth Proportional to 359,261,415.74, 495,777,866.06 and 208,568,054.27

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Solution

The fourth proportional to 359,261,415.74, 495,777,866.06 and 208,568,054.27 is: 287,822,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,261,415.74 : 495,777,866.06 = 208,568,054.27 : x
  2. Step 2: Convert to fraction form
    359,261,415.74/495,777,866.06 = 208,568,054.27/x
  3. Step 3: Cross multiply
    359,261,415.74x = 495,777,866.06 × 208,568,054.27
  4. Step 4: Simplify right side
    359,261,415.74x = 103,403,424,874,266,880
  5. Step 5: Solve for x
    x = 103,403,424,874,266,880/359,261,415.74
  6. Step 6: Final answer
    x = 287,822,238.47

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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.