Finding the Fourth Proportional to 322,708,684.74, 484,161,816.76 and 165,253,183.53
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Solution
The fourth proportional to 322,708,684.74, 484,161,816.76 and 165,253,183.53 is: 247,930,363.66
Step by Step Solution
- Step 1: Write the proportion equation
322,708,684.74 : 484,161,816.76 = 165,253,183.53 : x - Step 2: Convert to fraction form
322,708,684.74/484,161,816.76 = 165,253,183.53/x - Step 3: Cross multiply
322,708,684.74x = 484,161,816.76 × 165,253,183.53 - Step 4: Simplify right side
322,708,684.74x = 80,009,281,561,960,144 - Step 5: Solve for x
x = 80,009,281,561,960,144/322,708,684.74 - Step 6: Final answer
x = 247,930,363.66
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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.