Finding the Fourth Proportional to 2,486,137,766.40, 3,729,206,649.60 and 1,668,641,702.40
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Solution
The fourth proportional to 2,486,137,766.40, 3,729,206,649.60 and 1,668,641,702.40 is: 2,502,962,553.60
Step by Step Solution
- Step 1: Write the proportion equation
2,486,137,766.40 : 3,729,206,649.60 = 1,668,641,702.40 : x - Step 2: Convert to fraction form
2,486,137,766.40/3,729,206,649.60 = 1,668,641,702.40/x - Step 3: Cross multiply
2,486,137,766.40x = 3,729,206,649.60 × 1,668,641,702.40 - Step 4: Simplify right side
2,486,137,766.40x = 6,222,709,732,389,944,320 - Step 5: Solve for x
x = 6,222,709,732,389,944,320/2,486,137,766.40 - Step 6: Final answer
x = 2,502,962,553.60
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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.