Finding the Fourth Proportional to 382,638,328,479.30, 528,056,935,298.18 and 220,058,101,324.70
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Solution
The fourth proportional to 382,638,328,479.30, 528,056,935,298.18 and 220,058,101,324.70 is: 303,689,405,697.75
Step by Step Solution
- Step 1: Write the proportion equation
382,638,328,479.30 : 528,056,935,298.18 = 220,058,101,324.70 : x - Step 2: Convert to fraction form
382,638,328,479.30/528,056,935,298.18 = 220,058,101,324.70/x - Step 3: Cross multiply
382,638,328,479.30x = 528,056,935,298.18 × 220,058,101,324.70 - Step 4: Simplify right side
382,638,328,479.30x = 116,203,206,573,057,445,462,016 - Step 5: Solve for x
x = 116,203,206,573,057,445,462,016/382,638,328,479.30 - Step 6: Final answer
x = 303,689,405,697.75
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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.