Finding the Fourth Proportional to 86,785,701,104.84, 130,178,990,465.19 and 27,089,359,219.71
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Solution
The fourth proportional to 86,785,701,104.84, 130,178,990,465.19 and 27,089,359,219.71 is: 40,634,175,799.43
Step by Step Solution
- Step 1: Write the proportion equation
86,785,701,104.84 : 130,178,990,465.19 = 27,089,359,219.71 : x - Step 2: Convert to fraction form
86,785,701,104.84/130,178,990,465.19 = 27,089,359,219.71/x - Step 3: Cross multiply
86,785,701,104.84x = 130,178,990,465.19 × 27,089,359,219.71 - Step 4: Simplify right side
86,785,701,104.84x = 3,526,465,435,570,734,628,864 - Step 5: Solve for x
x = 3,526,465,435,570,734,628,864/86,785,701,104.84 - Step 6: Final answer
x = 40,634,175,799.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.