Finding the Fourth Proportional to 3,745,657,386.98, 5,616,806,809.74 and 2,232,020,193.47
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Solution
The fourth proportional to 3,745,657,386.98, 5,616,806,809.74 and 2,232,020,193.47 is: 3,347,029,620.41
Step by Step Solution
- Step 1: Write the proportion equation
3,745,657,386.98 : 5,616,806,809.74 = 2,232,020,193.47 : x - Step 2: Convert to fraction form
3,745,657,386.98/5,616,806,809.74 = 2,232,020,193.47/x - Step 3: Cross multiply
3,745,657,386.98x = 5,616,806,809.74 × 2,232,020,193.47 - Step 4: Simplify right side
3,745,657,386.98x = 12,536,826,222,131,404,800 - Step 5: Solve for x
x = 12,536,826,222,131,404,800/3,745,657,386.98 - Step 6: Final answer
x = 3,347,029,620.41
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1.5x scale
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.