Finding the Fourth Proportional to 324,657,915.98, 448,015,920.95 and 175,975,844.73
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Solution
The fourth proportional to 324,657,915.98, 448,015,920.95 and 175,975,844.73 is: 242,840,159.62
Step by Step Solution
- Step 1: Write the proportion equation
324,657,915.98 : 448,015,920.95 = 175,975,844.73 : x - Step 2: Convert to fraction form
324,657,915.98/448,015,920.95 = 175,975,844.73/x - Step 3: Cross multiply
324,657,915.98x = 448,015,920.95 × 175,975,844.73 - Step 4: Simplify right side
324,657,915.98x = 78,839,980,138,545,184 - Step 5: Solve for x
x = 78,839,980,138,545,184/324,657,915.98 - Step 6: Final answer
x = 242,840,159.62
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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.