Finding the Fourth Proportional to 847,129,634.82, 1,266,793,609.65 and 805,804,782.66
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Solution
The fourth proportional to 847,129,634.82, 1,266,793,609.65 and 805,804,782.66 is: 1,204,996,623.12
Step by Step Solution
- Step 1: Write the proportion equation
847,129,634.82 : 1,266,793,609.65 = 805,804,782.66 : x - Step 2: Convert to fraction form
847,129,634.82/1,266,793,609.65 = 805,804,782.66/x - Step 3: Cross multiply
847,129,634.82x = 1,266,793,609.65 × 805,804,782.66 - Step 4: Simplify right side
847,129,634.82x = 1,020,788,349,299,095,168 - Step 5: Solve for x
x = 1,020,788,349,299,095,168/847,129,634.82 - Step 6: Final answer
x = 1,204,996,623.12
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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.