Finding the Fourth Proportional to 727,021,647.36, 1,091,058,621.12 and 284,429,715.84
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Solution
The fourth proportional to 727,021,647.36, 1,091,058,621.12 and 284,429,715.84 is: 426,850,417.31
Step by Step Solution
- Step 1: Write the proportion equation
727,021,647.36 : 1,091,058,621.12 = 284,429,715.84 : x - Step 2: Convert to fraction form
727,021,647.36/1,091,058,621.12 = 284,429,715.84/x - Step 3: Cross multiply
727,021,647.36x = 1,091,058,621.12 × 284,429,715.84 - Step 4: Simplify right side
727,021,647.36x = 310,329,493,569,943,744 - Step 5: Solve for x
x = 310,329,493,569,943,744/727,021,647.36 - Step 6: Final answer
x = 426,850,417.31
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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.