Finding the Fourth Proportional to 361,360,423.10, 498,633,296.41 and 202,553,894.87
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Solution
The fourth proportional to 361,360,423.10, 498,633,296.41 and 202,553,894.87 is: 279,499,662.52
Step by Step Solution
- Step 1: Write the proportion equation
361,360,423.10 : 498,633,296.41 = 202,553,894.87 : x - Step 2: Convert to fraction form
361,360,423.10/498,633,296.41 = 202,553,894.87/x - Step 3: Cross multiply
361,360,423.10x = 498,633,296.41 × 202,553,894.87 - Step 4: Simplify right side
361,360,423.10x = 101,000,116,302,144,912 - Step 5: Solve for x
x = 101,000,116,302,144,912/361,360,423.10 - Step 6: Final answer
x = 279,499,662.52
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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.