Finding the Fourth Proportional to 984,596,581.58, 1,358,727,294.81 and 538,556,043.17
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Solution
The fourth proportional to 984,596,581.58, 1,358,727,294.81 and 538,556,043.17 is: 743,198,594.56
Step by Step Solution
- Step 1: Write the proportion equation
984,596,581.58 : 1,358,727,294.81 = 538,556,043.17 : x - Step 2: Convert to fraction form
984,596,581.58/1,358,727,294.81 = 538,556,043.17/x - Step 3: Cross multiply
984,596,581.58x = 1,358,727,294.81 × 538,556,043.17 - Step 4: Simplify right side
984,596,581.58x = 731,750,795,633,158,016 - Step 5: Solve for x
x = 731,750,795,633,158,016/984,596,581.58 - Step 6: Final answer
x = 743,198,594.56
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1.5x scale
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.