Finding the Fourth Proportional to 1,522,722,972.82, 2,282,472,395.99 and 512,193,606.80
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Solution
The fourth proportional to 1,522,722,972.82, 2,282,472,395.99 and 512,193,606.80 is: 767,748,165.48
Step by Step Solution
- Step 1: Write the proportion equation
1,522,722,972.82 : 2,282,472,395.99 = 512,193,606.80 : x - Step 2: Convert to fraction form
1,522,722,972.82/2,282,472,395.99 = 512,193,606.80/x - Step 3: Cross multiply
1,522,722,972.82x = 2,282,472,395.99 × 512,193,606.80 - Step 4: Simplify right side
1,522,722,972.82x = 1,169,067,768,923,555,840 - Step 5: Solve for x
x = 1,169,067,768,923,555,840/1,522,722,972.82 - Step 6: Final answer
x = 767,748,165.48
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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.