Finding the Fourth Proportional to 2,302,019,965.30, 3,453,029,947.95 and 848,564,259.70
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Solution
The fourth proportional to 2,302,019,965.30, 3,453,029,947.95 and 848,564,259.70 is: 1,272,846,389.55
Step by Step Solution
- Step 1: Write the proportion equation
2,302,019,965.30 : 3,453,029,947.95 = 848,564,259.70 : x - Step 2: Convert to fraction form
2,302,019,965.30/3,453,029,947.95 = 848,564,259.70/x - Step 3: Cross multiply
2,302,019,965.30x = 3,453,029,947.95 × 848,564,259.70 - Step 4: Simplify right side
2,302,019,965.30x = 2,930,117,801,504,121,344 - Step 5: Solve for x
x = 2,930,117,801,504,121,344/2,302,019,965.30 - Step 6: Final answer
x = 1,272,846,389.55
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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.