Finding the Fourth Proportional to 7,278,336,531.70, 10,917,504,797.55 and 6,069,013,011.70
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Solution
The fourth proportional to 7,278,336,531.70, 10,917,504,797.55 and 6,069,013,011.70 is: 9,103,519,517.55
Step by Step Solution
- Step 1: Write the proportion equation
7,278,336,531.70 : 10,917,504,797.55 = 6,069,013,011.70 : x - Step 2: Convert to fraction form
7,278,336,531.70/10,917,504,797.55 = 6,069,013,011.70/x - Step 3: Cross multiply
7,278,336,531.70x = 10,917,504,797.55 × 6,069,013,011.70 - Step 4: Simplify right side
7,278,336,531.70x = 66,258,478,671,628,115,968 - Step 5: Solve for x
x = 66,258,478,671,628,115,968/7,278,336,531.70 - Step 6: Final answer
x = 9,103,519,517.55
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Double scale
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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.