Finding the Fourth Proportional to 388,753,522.29, 583,277,146.05 and 233,415,643.05
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Solution
The fourth proportional to 388,753,522.29, 583,277,146.05 and 233,415,643.05 is: 350,211,643.92
Step by Step Solution
- Step 1: Write the proportion equation
388,753,522.29 : 583,277,146.05 = 233,415,643.05 : x - Step 2: Convert to fraction form
388,753,522.29/583,277,146.05 = 233,415,643.05/x - Step 3: Cross multiply
388,753,522.29x = 583,277,146.05 × 233,415,643.05 - Step 4: Simplify right side
388,753,522.29x = 136,146,010,121,629,520 - Step 5: Solve for x
x = 136,146,010,121,629,520/388,753,522.29 - Step 6: Final answer
x = 350,211,643.92
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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.