Finding the Fourth Proportional to 2,330,046,638.16, 3,215,475,320.04 and 1,272,789,278.16
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Solution
The fourth proportional to 2,330,046,638.16, 3,215,475,320.04 and 1,272,789,278.16 is: 1,756,455,190.43
Step by Step Solution
- Step 1: Write the proportion equation
2,330,046,638.16 : 3,215,475,320.04 = 1,272,789,278.16 : x - Step 2: Convert to fraction form
2,330,046,638.16/3,215,475,320.04 = 1,272,789,278.16/x - Step 3: Cross multiply
2,330,046,638.16x = 3,215,475,320.04 × 1,272,789,278.16 - Step 4: Simplify right side
2,330,046,638.16x = 4,092,622,511,535,006,720 - Step 5: Solve for x
x = 4,092,622,511,535,006,720/2,330,046,638.16 - Step 6: Final answer
x = 1,756,455,190.43
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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.