Finding the Fourth Proportional to 2,164,821,123.84, 2,987,453,151.09 and 1,174,746,540.84
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Solution
The fourth proportional to 2,164,821,123.84, 2,987,453,151.09 and 1,174,746,540.84 is: 1,621,150,226.46
Step by Step Solution
- Step 1: Write the proportion equation
2,164,821,123.84 : 2,987,453,151.09 = 1,174,746,540.84 : x - Step 2: Convert to fraction form
2,164,821,123.84/2,987,453,151.09 = 1,174,746,540.84/x - Step 3: Cross multiply
2,164,821,123.84x = 2,987,453,151.09 × 1,174,746,540.84 - Step 4: Simplify right side
2,164,821,123.84x = 3,509,500,255,164,535,296 - Step 5: Solve for x
x = 3,509,500,255,164,535,296/2,164,821,123.84 - Step 6: Final answer
x = 1,621,150,226.46
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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.