Finding the Fourth Proportional to 397,436,624.97, 596,243,851.34 and 121,109,465.66
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Solution
The fourth proportional to 397,436,624.97, 596,243,851.34 and 121,109,465.66 is: 181,691,292.90
Step by Step Solution
- Step 1: Write the proportion equation
397,436,624.97 : 596,243,851.34 = 121,109,465.66 : x - Step 2: Convert to fraction form
397,436,624.97/596,243,851.34 = 121,109,465.66/x - Step 3: Cross multiply
397,436,624.97x = 596,243,851.34 × 121,109,465.66 - Step 4: Simplify right side
397,436,624.97x = 72,210,774,235,261,120 - Step 5: Solve for x
x = 72,210,774,235,261,120/397,436,624.97 - Step 6: Final answer
x = 181,691,292.90
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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.