Finding the Fourth Proportional to 590,129,995.20, 827,391,316.80 and 590,129,995.20
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Solution
The fourth proportional to 590,129,995.20, 827,391,316.80 and 590,129,995.20 is: 827,391,316.80
Step by Step Solution
- Step 1: Write the proportion equation
590,129,995.20 : 827,391,316.80 = 590,129,995.20 : x - Step 2: Convert to fraction form
590,129,995.20/827,391,316.80 = 590,129,995.20/x - Step 3: Cross multiply
590,129,995.20x = 827,391,316.80 × 590,129,995.20 - Step 4: Simplify right side
590,129,995.20x = 488,268,433,811,705,664 - Step 5: Solve for x
x = 488,268,433,811,705,664/590,129,995.20 - Step 6: Final answer
x = 827,391,316.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.