Finding the Fourth Proportional to 390,444,720,414.17, 585,893,033,456.85 and 163,783,872,627.54
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Solution
The fourth proportional to 390,444,720,414.17, 585,893,033,456.85 and 163,783,872,627.54 is: 245,770,591,706.99
Step by Step Solution
- Step 1: Write the proportion equation
390,444,720,414.17 : 585,893,033,456.85 = 163,783,872,627.54 : x - Step 2: Convert to fraction form
390,444,720,414.17/585,893,033,456.85 = 163,783,872,627.54/x - Step 3: Cross multiply
390,444,720,414.17x = 585,893,033,456.85 × 163,783,872,627.54 - Step 4: Simplify right side
390,444,720,414.17x = 95,959,829,965,059,760,586,752 - Step 5: Solve for x
x = 95,959,829,965,059,760,586,752/390,444,720,414.17 - Step 6: Final answer
x = 245,770,591,706.99
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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.