Finding the Fourth Proportional to 324,657,916.16, 448,015,921.21 and 175,975,844.91
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Solution
The fourth proportional to 324,657,916.16, 448,015,921.21 and 175,975,844.91 is: 242,840,159.88
Step by Step Solution
- Step 1: Write the proportion equation
324,657,916.16 : 448,015,921.21 = 175,975,844.91 : x - Step 2: Convert to fraction form
324,657,916.16/448,015,921.21 = 175,975,844.91/x - Step 3: Cross multiply
324,657,916.16x = 448,015,921.21 × 175,975,844.91 - Step 4: Simplify right side
324,657,916.16x = 78,839,980,268,061,728 - Step 5: Solve for x
x = 78,839,980,268,061,728/324,657,916.16 - Step 6: Final answer
x = 242,840,159.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.