Finding the Fourth Proportional to 716,586,460,523.10, 988,889,277,702.60 and 386,989,466,975.11
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Solution
The fourth proportional to 716,586,460,523.10, 988,889,277,702.60 and 386,989,466,975.11 is: 534,045,444,001.51
Step by Step Solution
- Step 1: Write the proportion equation
716,586,460,523.10 : 988,889,277,702.60 = 386,989,466,975.11 : x - Step 2: Convert to fraction form
716,586,460,523.10/988,889,277,702.60 = 386,989,466,975.11/x - Step 3: Cross multiply
716,586,460,523.10x = 988,889,277,702.60 × 386,989,466,975.11 - Step 4: Simplify right side
716,586,460,523.10x = 382,689,734,475,530,658,381,824 - Step 5: Solve for x
x = 382,689,734,475,530,658,381,824/716,586,460,523.10 - Step 6: Final answer
x = 534,045,444,001.51
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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.