Finding the Fourth Proportional to 1,375,062,852.24, 2,062,662,687.99 and 392,635,158.48
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Solution
The fourth proportional to 1,375,062,852.24, 2,062,662,687.99 and 392,635,158.48 is: 588,972,271.39
Step by Step Solution
- Step 1: Write the proportion equation
1,375,062,852.24 : 2,062,662,687.99 = 392,635,158.48 : x - Step 2: Convert to fraction form
1,375,062,852.24/2,062,662,687.99 = 392,635,158.48/x - Step 3: Cross multiply
1,375,062,852.24x = 2,062,662,687.99 × 392,635,158.48 - Step 4: Simplify right side
1,375,062,852.24x = 809,873,891,389,736,448 - Step 5: Solve for x
x = 809,873,891,389,736,448/1,375,062,852.24 - Step 6: Final answer
x = 588,972,271.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.