Finding the Fourth Proportional to 1,708,246,239.20, 2,562,369,358.80 and 481,414,690.70
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Solution
The fourth proportional to 1,708,246,239.20, 2,562,369,358.80 and 481,414,690.70 is: 722,122,036.05
Step by Step Solution
- Step 1: Write the proportion equation
1,708,246,239.20 : 2,562,369,358.80 = 481,414,690.70 : x - Step 2: Convert to fraction form
1,708,246,239.20/2,562,369,358.80 = 481,414,690.70/x - Step 3: Cross multiply
1,708,246,239.20x = 2,562,369,358.80 × 481,414,690.70 - Step 4: Simplify right side
1,708,246,239.20x = 1,233,562,252,325,859,328 - Step 5: Solve for x
x = 1,233,562,252,325,859,328/1,708,246,239.20 - Step 6: Final answer
x = 722,122,036.05
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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.