Finding the Fourth Proportional to 3,910,141,446.35, 5,395,957,259.94 and 2,125,994,875.07
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Solution
The fourth proportional to 3,910,141,446.35, 5,395,957,259.94 and 2,125,994,875.07 is: 2,933,852,301.28
Step by Step Solution
- Step 1: Write the proportion equation
3,910,141,446.35 : 5,395,957,259.94 = 2,125,994,875.07 : x - Step 2: Convert to fraction form
3,910,141,446.35/5,395,957,259.94 = 2,125,994,875.07/x - Step 3: Cross multiply
3,910,141,446.35x = 5,395,957,259.94 × 2,125,994,875.07 - Step 4: Simplify right side
3,910,141,446.35x = 11,471,777,480,702,220,288 - Step 5: Solve for x
x = 11,471,777,480,702,220,288/3,910,141,446.35 - Step 6: Final answer
x = 2,933,852,301.28
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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.