Finding the Fourth Proportional to 1,198,280,701.60, 1,794,397,743.60 and 956,415,997.60
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Solution
The fourth proportional to 1,198,280,701.60, 1,794,397,743.60 and 956,415,997.60 is: 1,432,210,921.65
Step by Step Solution
- Step 1: Write the proportion equation
1,198,280,701.60 : 1,794,397,743.60 = 956,415,997.60 : x - Step 2: Convert to fraction form
1,198,280,701.60/1,794,397,743.60 = 956,415,997.60/x - Step 3: Cross multiply
1,198,280,701.60x = 1,794,397,743.60 × 956,415,997.60 - Step 4: Simplify right side
1,198,280,701.60x = 1,716,190,708,036,382,976 - Step 5: Solve for x
x = 1,716,190,708,036,382,976/1,198,280,701.60 - Step 6: Final answer
x = 1,432,210,921.65
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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.