Finding the Fourth Proportional to 2,115,073,406.48, 3,173,148,286.68 and 1,242,412,817.36
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Solution
The fourth proportional to 2,115,073,406.48, 3,173,148,286.68 and 1,242,412,817.36 is: 1,863,935,355.94
Step by Step Solution
- Step 1: Write the proportion equation
2,115,073,406.48 : 3,173,148,286.68 = 1,242,412,817.36 : x - Step 2: Convert to fraction form
2,115,073,406.48/3,173,148,286.68 = 1,242,412,817.36/x - Step 3: Cross multiply
2,115,073,406.48x = 3,173,148,286.68 × 1,242,412,817.36 - Step 4: Simplify right side
2,115,073,406.48x = 3,942,360,102,755,155,456 - Step 5: Solve for x
x = 3,942,360,102,755,155,456/2,115,073,406.48 - Step 6: Final answer
x = 1,863,935,355.94
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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.