Finding the Fourth Proportional to 633,895,689.63, 874,645,056.68 and 365,966,879.28
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Solution
The fourth proportional to 633,895,689.63, 874,645,056.68 and 365,966,879.28 is: 504,958,666.08
Step by Step Solution
- Step 1: Write the proportion equation
633,895,689.63 : 874,645,056.68 = 365,966,879.28 : x - Step 2: Convert to fraction form
633,895,689.63/874,645,056.68 = 365,966,879.28/x - Step 3: Cross multiply
633,895,689.63x = 874,645,056.68 × 365,966,879.28 - Step 4: Simplify right side
633,895,689.63x = 320,091,121,869,028,416 - Step 5: Solve for x
x = 320,091,121,869,028,416/633,895,689.63 - Step 6: Final answer
x = 504,958,666.08
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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.