Finding the Fourth Proportional to 856,270,851.80, 1,284,406,277.70 and 757,635,402.20
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Solution
The fourth proportional to 856,270,851.80, 1,284,406,277.70 and 757,635,402.20 is: 1,136,453,103.30
Step by Step Solution
- Step 1: Write the proportion equation
856,270,851.80 : 1,284,406,277.70 = 757,635,402.20 : x - Step 2: Convert to fraction form
856,270,851.80/1,284,406,277.70 = 757,635,402.20/x - Step 3: Cross multiply
856,270,851.80x = 1,284,406,277.70 × 757,635,402.20 - Step 4: Simplify right side
856,270,851.80x = 973,111,666,793,444,480 - Step 5: Solve for x
x = 973,111,666,793,444,480/856,270,851.80 - Step 6: Final answer
x = 1,136,453,103.30
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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.