Finding the Fourth Proportional to 858,886,255.81, 1,185,278,704.12 and 477,444,108.97
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Solution
The fourth proportional to 858,886,255.81, 1,185,278,704.12 and 477,444,108.97 is: 658,881,581.75
Step by Step Solution
- Step 1: Write the proportion equation
858,886,255.81 : 1,185,278,704.12 = 477,444,108.97 : x - Step 2: Convert to fraction form
858,886,255.81/1,185,278,704.12 = 477,444,108.97/x - Step 3: Cross multiply
858,886,255.81x = 1,185,278,704.12 × 477,444,108.97 - Step 4: Simplify right side
858,886,255.81x = 565,904,334,769,689,664 - Step 5: Solve for x
x = 565,904,334,769,689,664/858,886,255.81 - Step 6: Final answer
x = 658,881,581.75
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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.