Finding the Fourth Proportional to 396,259,239.39, 593,871,794.00 and 221,375,209.28
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Solution
The fourth proportional to 396,259,239.39, 593,871,794.00 and 221,375,209.28 is: 331,773,949.00
Step by Step Solution
- Step 1: Write the proportion equation
396,259,239.39 : 593,871,794.00 = 221,375,209.28 : x - Step 2: Convert to fraction form
396,259,239.39/593,871,794.00 = 221,375,209.28/x - Step 3: Cross multiply
396,259,239.39x = 593,871,794.00 × 221,375,209.28 - Step 4: Simplify right side
396,259,239.39x = 131,468,492,682,857,952 - Step 5: Solve for x
x = 131,468,492,682,857,952/396,259,239.39 - Step 6: Final answer
x = 331,773,949.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.