Finding the Fourth Proportional to 865,754,328.77, 1,194,708,965.99 and 469,268,805.66
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Solution
The fourth proportional to 865,754,328.77, 1,194,708,965.99 and 469,268,805.66 is: 647,573,602.52
Step by Step Solution
- Step 1: Write the proportion equation
865,754,328.77 : 1,194,708,965.99 = 469,268,805.66 : x - Step 2: Convert to fraction form
865,754,328.77/1,194,708,965.99 = 469,268,805.66/x - Step 3: Cross multiply
865,754,328.77x = 1,194,708,965.99 × 469,268,805.66 - Step 4: Simplify right side
865,754,328.77x = 560,639,649,581,420,864 - Step 5: Solve for x
x = 560,639,649,581,420,864/865,754,328.77 - Step 6: Final answer
x = 647,573,602.52
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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.