Finding the Fourth Proportional to 212,749,804,274.20, 293,592,553,115.35 and 117,703,324,550.68
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Solution
The fourth proportional to 212,749,804,274.20, 293,592,553,115.35 and 117,703,324,550.68 is: 162,429,383,579.88
Step by Step Solution
- Step 1: Write the proportion equation
212,749,804,274.20 : 293,592,553,115.35 = 117,703,324,550.68 : x - Step 2: Convert to fraction form
212,749,804,274.20/293,592,553,115.35 = 117,703,324,550.68/x - Step 3: Cross multiply
212,749,804,274.20x = 293,592,553,115.35 × 117,703,324,550.68 - Step 4: Simplify right side
212,749,804,274.20x = 34,556,819,564,998,791,528,448 - Step 5: Solve for x
x = 34,556,819,564,998,791,528,448/212,749,804,274.20 - Step 6: Final answer
x = 162,429,383,579.88
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1.5x scale
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.