Finding the Fourth Proportional to 1,268,674,160.85, 1,904,879,327.46 and 709,531,477.96
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Solution
The fourth proportional to 1,268,674,160.85, 1,904,879,327.46 and 709,531,477.96 is: 1,065,341,981.62
Step by Step Solution
- Step 1: Write the proportion equation
1,268,674,160.85 : 1,904,879,327.46 = 709,531,477.96 : x - Step 2: Convert to fraction form
1,268,674,160.85/1,904,879,327.46 = 709,531,477.96/x - Step 3: Cross multiply
1,268,674,160.85x = 1,904,879,327.46 × 709,531,477.96 - Step 4: Simplify right side
1,268,674,160.85x = 1,351,571,844,546,370,816 - Step 5: Solve for x
x = 1,351,571,844,546,370,816/1,268,674,160.85 - Step 6: Final answer
x = 1,065,341,981.62
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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.