Home / 320,662,339.80-442,532,263.44-179,532,325.50

Finding the Fourth Proportional to 320,662,339.80, 442,532,263.44 and 179,532,325.50

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Solution

The fourth proportional to 320,662,339.80, 442,532,263.44 and 179,532,325.50 is: 247,764,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,662,339.80 : 442,532,263.44 = 179,532,325.50 : x
  2. Step 2: Convert to fraction form
    320,662,339.80/442,532,263.44 = 179,532,325.50/x
  3. Step 3: Cross multiply
    320,662,339.80x = 442,532,263.44 × 179,532,325.50
  4. Step 4: Simplify right side
    320,662,339.80x = 79,448,846,365,631,120
  5. Step 5: Solve for x
    x = 79,448,846,365,631,120/320,662,339.80
  6. Step 6: Final answer
    x = 247,764,818.33

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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.