Finding the Fourth Proportional to 837,093,387.12, 1,252,569,107.16 and 698,577,058.32
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Solution
The fourth proportional to 837,093,387.12, 1,252,569,107.16 and 698,577,058.32 is: 1,045,302,777.07
Step by Step Solution
- Step 1: Write the proportion equation
837,093,387.12 : 1,252,569,107.16 = 698,577,058.32 : x - Step 2: Convert to fraction form
837,093,387.12/1,252,569,107.16 = 698,577,058.32/x - Step 3: Cross multiply
837,093,387.12x = 1,252,569,107.16 × 698,577,058.32 - Step 4: Simplify right side
837,093,387.12x = 875,016,042,222,341,760 - Step 5: Solve for x
x = 875,016,042,222,341,760/837,093,387.12 - Step 6: Final answer
x = 1,045,302,777.07
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1.5x scale
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.