Finding the Fourth Proportional to 118,517,879,265.91, 163,554,835,349.74 and 64,324,428,735.08
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Solution
The fourth proportional to 118,517,879,265.91, 163,554,835,349.74 and 64,324,428,735.08 is: 88,767,799,558.15
Step by Step Solution
- Step 1: Write the proportion equation
118,517,879,265.91 : 163,554,835,349.74 = 64,324,428,735.08 : x - Step 2: Convert to fraction form
118,517,879,265.91/163,554,835,349.74 = 64,324,428,735.08/x - Step 3: Cross multiply
118,517,879,265.91x = 163,554,835,349.74 × 64,324,428,735.08 - Step 4: Simplify right side
118,517,879,265.91x = 10,520,571,350,732,748,357,632 - Step 5: Solve for x
x = 10,520,571,350,732,748,357,632/118,517,879,265.91 - Step 6: Final answer
x = 88,767,799,558.15
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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.