Finding the Fourth Proportional to 76,478,584,622.97, 105,540,774,896.22 and 41,717,162,590.79
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Solution
The fourth proportional to 76,478,584,622.97, 105,540,774,896.22 and 41,717,162,590.79 is: 57,569,863,354.68
Step by Step Solution
- Step 1: Write the proportion equation
76,478,584,622.97 : 105,540,774,896.22 = 41,717,162,590.79 : x - Step 2: Convert to fraction form
76,478,584,622.97/105,540,774,896.22 = 41,717,162,590.79/x - Step 3: Cross multiply
76,478,584,622.97x = 105,540,774,896.22 × 41,717,162,590.79 - Step 4: Simplify right side
76,478,584,622.97x = 4,402,861,666,303,577,423,872 - Step 5: Solve for x
x = 4,402,861,666,303,577,423,872/76,478,584,622.97 - Step 6: Final answer
x = 57,569,863,354.68
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1.5x scale
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.