Finding the Fourth Proportional to 671,956,364.61, 927,252,431.63 and 374,585,452.99
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Solution
The fourth proportional to 671,956,364.61, 927,252,431.63 and 374,585,452.99 is: 516,901,528.77
Step by Step Solution
- Step 1: Write the proportion equation
671,956,364.61 : 927,252,431.63 = 374,585,452.99 : x - Step 2: Convert to fraction form
671,956,364.61/927,252,431.63 = 374,585,452.99/x - Step 3: Cross multiply
671,956,364.61x = 927,252,431.63 × 374,585,452.99 - Step 4: Simplify right side
671,956,364.61x = 347,335,272,134,011,520 - Step 5: Solve for x
x = 347,335,272,134,011,520/671,956,364.61 - Step 6: Final answer
x = 516,901,528.77
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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.