Finding the Fourth Proportional to 756,425,418.96, 1,132,310,973.69 and 493,543,921.08
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Solution
The fourth proportional to 756,425,418.96, 1,132,310,973.69 and 493,543,921.08 is: 738,797,485.95
Step by Step Solution
- Step 1: Write the proportion equation
756,425,418.96 : 1,132,310,973.69 = 493,543,921.08 : x - Step 2: Convert to fraction form
756,425,418.96/1,132,310,973.69 = 493,543,921.08/x - Step 3: Cross multiply
756,425,418.96x = 1,132,310,973.69 × 493,543,921.08 - Step 4: Simplify right side
756,425,418.96x = 558,845,197,836,875,328 - Step 5: Solve for x
x = 558,845,197,836,875,328/756,425,418.96 - Step 6: Final answer
x = 738,797,485.95
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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.