Home / 491,808,677.40-737,716,187.05-196,728,448.82

Finding the Fourth Proportional to 491,808,677.40, 737,716,187.05 and 196,728,448.82

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Solution

The fourth proportional to 491,808,677.40, 737,716,187.05 and 196,728,448.82 is: 295,093,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,808,677.40 : 737,716,187.05 = 196,728,448.82 : x
  2. Step 2: Convert to fraction form
    491,808,677.40/737,716,187.05 = 196,728,448.82/x
  3. Step 3: Cross multiply
    491,808,677.40x = 737,716,187.05 × 196,728,448.82
  4. Step 4: Simplify right side
    491,808,677.40x = 145,129,761,143,571,072
  5. Step 5: Solve for x
    x = 145,129,761,143,571,072/491,808,677.40
  6. Step 6: Final answer
    x = 295,093,941.63

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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.