Finding the Fourth Proportional to 2,221,960,913.21, 3,063,339,768.17 and 1,765,186,039.68
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Solution
The fourth proportional to 2,221,960,913.21, 3,063,339,768.17 and 1,765,186,039.68 is: 2,433,600,231.86
Step by Step Solution
- Step 1: Write the proportion equation
2,221,960,913.21 : 3,063,339,768.17 = 1,765,186,039.68 : x - Step 2: Convert to fraction form
2,221,960,913.21/3,063,339,768.17 = 1,765,186,039.68/x - Step 3: Cross multiply
2,221,960,913.21x = 3,063,339,768.17 × 1,765,186,039.68 - Step 4: Simplify right side
2,221,960,913.21x = 5,407,364,593,573,241,856 - Step 5: Solve for x
x = 5,407,364,593,573,241,856/2,221,960,913.21 - Step 6: Final answer
x = 2,433,600,231.86
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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.