Finding the Fourth Proportional to 821,592,208,556.80, 1,133,798,581,613.50 and 455,786,421,306.48
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Solution
The fourth proportional to 821,592,208,556.80, 1,133,798,581,613.50 and 455,786,421,306.48 is: 628,986,001,344.55
Step by Step Solution
- Step 1: Write the proportion equation
821,592,208,556.80 : 1,133,798,581,613.50 = 455,786,421,306.48 : x - Step 2: Convert to fraction form
821,592,208,556.80/1,133,798,581,613.50 = 455,786,421,306.48/x - Step 3: Cross multiply
821,592,208,556.80x = 1,133,798,581,613.50 × 455,786,421,306.48 - Step 4: Simplify right side
821,592,208,556.80x = 516,769,997,995,980,116,459,520 - Step 5: Solve for x
x = 516,769,997,995,980,116,459,520/821,592,208,556.80 - Step 6: Final answer
x = 628,986,001,344.55
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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.