Finding the Fourth Proportional to 78,311,585,991.68, 117,383,746,297.80 and 44,662,754,393
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Solution
The fourth proportional to 78,311,585,991.68, 117,383,746,297.80 and 44,662,754,393 is: 66,946,434,097.07
Step by Step Solution
- Step 1: Write the proportion equation
78,311,585,991.68 : 117,383,746,297.80 = 44,662,754,393 : x - Step 2: Convert to fraction form
78,311,585,991.68/117,383,746,297.80 = 44,662,754,393/x - Step 3: Cross multiply
78,311,585,991.68x = 117,383,746,297.80 × 44,662,754,393 - Step 4: Simplify right side
78,311,585,991.68x = 5,242,681,430,628,864,360,448 - Step 5: Solve for x
x = 5,242,681,430,628,864,360,448/78,311,585,991.68 - Step 6: Final answer
x = 66,946,434,097.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.