Finding the Fourth Proportional to 664,335,025.80, 996,497,289.90 and 173,047,345.80
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Solution
The fourth proportional to 664,335,025.80, 996,497,289.90 and 173,047,345.80 is: 259,569,651.48
Step by Step Solution
- Step 1: Write the proportion equation
664,335,025.80 : 996,497,289.90 = 173,047,345.80 : x - Step 2: Convert to fraction form
664,335,025.80/996,497,289.90 = 173,047,345.80/x - Step 3: Cross multiply
664,335,025.80x = 996,497,289.90 × 173,047,345.80 - Step 4: Simplify right side
664,335,025.80x = 172,441,211,114,088,160 - Step 5: Solve for x
x = 172,441,211,114,088,160/664,335,025.80 - Step 6: Final answer
x = 259,569,651.48
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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.