Finding the Fourth Proportional to 427,635,696,568.74, 590,187,853,058.76 and 254,021,521,949.70
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Solution
The fourth proportional to 427,635,696,568.74, 590,187,853,058.76 and 254,021,521,949.70 is: 350,579,752,516.32
Step by Step Solution
- Step 1: Write the proportion equation
427,635,696,568.74 : 590,187,853,058.76 = 254,021,521,949.70 : x - Step 2: Convert to fraction form
427,635,696,568.74/590,187,853,058.76 = 254,021,521,949.70/x - Step 3: Cross multiply
427,635,696,568.74x = 590,187,853,058.76 × 254,021,521,949.70 - Step 4: Simplify right side
427,635,696,568.74x = 149,920,416,670,212,130,078,720 - Step 5: Solve for x
x = 149,920,416,670,212,130,078,720/427,635,696,568.74 - Step 6: Final answer
x = 350,579,752,516.32
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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.