Finding the Fourth Proportional to 438,305,631.98, 604,862,098.23 and 237,364,066.17
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Solution
The fourth proportional to 438,305,631.98, 604,862,098.23 and 237,364,066.17 is: 327,562,587.92
Step by Step Solution
- Step 1: Write the proportion equation
438,305,631.98 : 604,862,098.23 = 237,364,066.17 : x - Step 2: Convert to fraction form
438,305,631.98/604,862,098.23 = 237,364,066.17/x - Step 3: Cross multiply
438,305,631.98x = 604,862,098.23 × 237,364,066.17 - Step 4: Simplify right side
438,305,631.98x = 143,572,527,107,990,752 - Step 5: Solve for x
x = 143,572,527,107,990,752/438,305,631.98 - Step 6: Final answer
x = 327,562,587.92
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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.