Finding the Fourth Proportional to 763,244,460.49, 1,145,049,348.98 and 245,723,278.09
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Solution
The fourth proportional to 763,244,460.49, 1,145,049,348.98 and 245,723,278.09 is: 368,643,723.17
Step by Step Solution
- Step 1: Write the proportion equation
763,244,460.49 : 1,145,049,348.98 = 245,723,278.09 : x - Step 2: Convert to fraction form
763,244,460.49/1,145,049,348.98 = 245,723,278.09/x - Step 3: Cross multiply
763,244,460.49x = 1,145,049,348.98 × 245,723,278.09 - Step 4: Simplify right side
763,244,460.49x = 281,365,279,604,957,376 - Step 5: Solve for x
x = 281,365,279,604,957,376/763,244,460.49 - Step 6: Final answer
x = 368,643,723.17
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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.