Finding the Fourth Proportional to 5,865,977,429.58, 8,095,202,274.42 and 3,189,914,121.72
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Solution
The fourth proportional to 5,865,977,429.58, 8,095,202,274.42 and 3,189,914,121.72 is: 4,402,164,918.52
Step by Step Solution
- Step 1: Write the proportion equation
5,865,977,429.58 : 8,095,202,274.42 = 3,189,914,121.72 : x - Step 2: Convert to fraction form
5,865,977,429.58/8,095,202,274.42 = 3,189,914,121.72/x - Step 3: Cross multiply
5,865,977,429.58x = 8,095,202,274.42 × 3,189,914,121.72 - Step 4: Simplify right side
5,865,977,429.58x = 25,823,000,053,352,218,624 - Step 5: Solve for x
x = 25,823,000,053,352,218,624/5,865,977,429.58 - Step 6: Final answer
x = 4,402,164,918.52
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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.