Finding the Fourth Proportional to 1,128,502,183.68, 1,557,146,157.99 and 652,236,902.41
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Solution
The fourth proportional to 1,128,502,183.68, 1,557,146,157.99 and 652,236,902.41 is: 899,978,929.04
Step by Step Solution
- Step 1: Write the proportion equation
1,128,502,183.68 : 1,557,146,157.99 = 652,236,902.41 : x - Step 2: Convert to fraction form
1,128,502,183.68/1,557,146,157.99 = 652,236,902.41/x - Step 3: Cross multiply
1,128,502,183.68x = 1,557,146,157.99 × 652,236,902.41 - Step 4: Simplify right side
1,128,502,183.68x = 1,015,628,186,687,030,016 - Step 5: Solve for x
x = 1,015,628,186,687,030,016/1,128,502,183.68 - Step 6: Final answer
x = 899,978,929.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.