Finding the Fourth Proportional to 2,626,961,657.40, 3,625,207,372.98 and 1,437,530,878.80
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Solution
The fourth proportional to 2,626,961,657.40, 3,625,207,372.98 and 1,437,530,878.80 is: 1,983,792,769.12
Step by Step Solution
- Step 1: Write the proportion equation
2,626,961,657.40 : 3,625,207,372.98 = 1,437,530,878.80 : x - Step 2: Convert to fraction form
2,626,961,657.40/3,625,207,372.98 = 1,437,530,878.80/x - Step 3: Cross multiply
2,626,961,657.40x = 3,625,207,372.98 × 1,437,530,878.80 - Step 4: Simplify right side
2,626,961,657.40x = 5,211,347,540,712,178,688 - Step 5: Solve for x
x = 5,211,347,540,712,178,688/2,626,961,657.40 - Step 6: Final answer
x = 1,983,792,769.12
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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.