Finding the Fourth Proportional to 324,517,791.78, 447,834,946.14 and 175,838,797.53
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Solution
The fourth proportional to 324,517,791.78, 447,834,946.14 and 175,838,797.53 is: 242,657,753.80
Step by Step Solution
- Step 1: Write the proportion equation
324,517,791.78 : 447,834,946.14 = 175,838,797.53 : x - Step 2: Convert to fraction form
324,517,791.78/447,834,946.14 = 175,838,797.53/x - Step 3: Cross multiply
324,517,791.78x = 447,834,946.14 × 175,838,797.53 - Step 4: Simplify right side
324,517,791.78x = 78,746,758,421,169,920 - Step 5: Solve for x
x = 78,746,758,421,169,920/324,517,791.78 - Step 6: Final answer
x = 242,657,753.80
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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.