Finding the Fourth Proportional to 821,592,208,559.06, 1,133,798,581,616.60 and 455,786,421,308.70
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Solution
The fourth proportional to 821,592,208,559.06, 1,133,798,581,616.60 and 455,786,421,308.70 is: 628,986,001,347.60
Step by Step Solution
- Step 1: Write the proportion equation
821,592,208,559.06 : 1,133,798,581,616.60 = 455,786,421,308.70 : x - Step 2: Convert to fraction form
821,592,208,559.06/1,133,798,581,616.60 = 455,786,421,308.70/x - Step 3: Cross multiply
821,592,208,559.06x = 1,133,798,581,616.60 × 455,786,421,308.70 - Step 4: Simplify right side
821,592,208,559.06x = 516,769,997,999,910,212,861,952 - Step 5: Solve for x
x = 516,769,997,999,910,212,861,952/821,592,208,559.06 - Step 6: Final answer
x = 628,986,001,347.60
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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.