Finding the Fourth Proportional to 3,583,569,069.80, 5,375,353,604.70 and 998,640,045.80
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Solution
The fourth proportional to 3,583,569,069.80, 5,375,353,604.70 and 998,640,045.80 is: 1,497,960,068.70
Step by Step Solution
- Step 1: Write the proportion equation
3,583,569,069.80 : 5,375,353,604.70 = 998,640,045.80 : x - Step 2: Convert to fraction form
3,583,569,069.80/5,375,353,604.70 = 998,640,045.80/x - Step 3: Cross multiply
3,583,569,069.80x = 5,375,353,604.70 × 998,640,045.80 - Step 4: Simplify right side
3,583,569,069.80x = 5,368,043,369,988,802,560 - Step 5: Solve for x
x = 5,368,043,369,988,802,560/3,583,569,069.80 - Step 6: Final answer
x = 1,497,960,068.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.