Finding the Fourth Proportional to 76,478,584,790.70, 105,540,775,127.70 and 41,717,162,758.74
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Solution
The fourth proportional to 76,478,584,790.70, 105,540,775,127.70 and 41,717,162,758.74 is: 57,569,863,586.46
Step by Step Solution
- Step 1: Write the proportion equation
76,478,584,790.70 : 105,540,775,127.70 = 41,717,162,758.74 : x - Step 2: Convert to fraction form
76,478,584,790.70/105,540,775,127.70 = 41,717,162,758.74/x - Step 3: Cross multiply
76,478,584,790.70x = 105,540,775,127.70 × 41,717,162,758.74 - Step 4: Simplify right side
76,478,584,790.70x = 4,402,861,693,685,838,905,344 - Step 5: Solve for x
x = 4,402,861,693,685,838,905,344/76,478,584,790.70 - Step 6: Final answer
x = 57,569,863,586.46
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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.