Finding the Fourth Proportional to 431,101,973.08, 594,920,631.18 and 232,863,469.82
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Solution
The fourth proportional to 431,101,973.08, 594,920,631.18 and 232,863,469.82 is: 321,351,538.83
Step by Step Solution
- Step 1: Write the proportion equation
431,101,973.08 : 594,920,631.18 = 232,863,469.82 : x - Step 2: Convert to fraction form
431,101,973.08/594,920,631.18 = 232,863,469.82/x - Step 3: Cross multiply
431,101,973.08x = 594,920,631.18 × 232,863,469.82 - Step 4: Simplify right side
431,101,973.08x = 138,535,282,444,208,880 - Step 5: Solve for x
x = 138,535,282,444,208,880/431,101,973.08 - Step 6: Final answer
x = 321,351,538.83
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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.