Finding the Fourth Proportional to 6,960,121,659.36, 9,605,785,768.97 and 3,908,799,403.83
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Solution
The fourth proportional to 6,960,121,659.36, 9,605,785,768.97 and 3,908,799,403.83 is: 5,394,602,497.58
Step by Step Solution
- Step 1: Write the proportion equation
6,960,121,659.36 : 9,605,785,768.97 = 3,908,799,403.83 : x - Step 2: Convert to fraction form
6,960,121,659.36/9,605,785,768.97 = 3,908,799,403.83/x - Step 3: Cross multiply
6,960,121,659.36x = 9,605,785,768.97 × 3,908,799,403.83 - Step 4: Simplify right side
6,960,121,659.36x = 37,547,089,687,049,093,120 - Step 5: Solve for x
x = 37,547,089,687,049,093,120/6,960,121,659.36 - Step 6: Final answer
x = 5,394,602,497.58
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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.