Home / 644,837,178.63-967,313,855.39-208,148,216.07

Finding the Fourth Proportional to 644,837,178.63, 967,313,855.39 and 208,148,216.07

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Solution

The fourth proportional to 644,837,178.63, 967,313,855.39 and 208,148,216.07 is: 312,241,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,837,178.63 : 967,313,855.39 = 208,148,216.07 : x
  2. Step 2: Convert to fraction form
    644,837,178.63/967,313,855.39 = 208,148,216.07/x
  3. Step 3: Cross multiply
    644,837,178.63x = 967,313,855.39 × 208,148,216.07
  4. Step 4: Simplify right side
    644,837,178.63x = 201,344,653,378,181,696
  5. Step 5: Solve for x
    x = 201,344,653,378,181,696/644,837,178.63
  6. Step 6: Final answer
    x = 312,241,074.26

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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.