Finding the Fourth Proportional to 699,521,531.30, 1,049,282,296.95 and 290,367,073.70
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Solution
The fourth proportional to 699,521,531.30, 1,049,282,296.95 and 290,367,073.70 is: 435,550,610.55
Step by Step Solution
- Step 1: Write the proportion equation
699,521,531.30 : 1,049,282,296.95 = 290,367,073.70 : x - Step 2: Convert to fraction form
699,521,531.30/1,049,282,296.95 = 290,367,073.70/x - Step 3: Cross multiply
699,521,531.30x = 1,049,282,296.95 × 290,367,073.70 - Step 4: Simplify right side
699,521,531.30x = 304,677,030,050,585,920 - Step 5: Solve for x
x = 304,677,030,050,585,920/699,521,531.30 - Step 6: Final answer
x = 435,550,610.55
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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.