Finding the Fourth Proportional to 7,963,723,388.97, 10,989,960,464.39 and 4,346,779,786.79
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Solution
The fourth proportional to 7,963,723,388.97, 10,989,960,464.39 and 4,346,779,786.79 is: 5,998,568,216.26
Step by Step Solution
- Step 1: Write the proportion equation
7,963,723,388.97 : 10,989,960,464.39 = 4,346,779,786.79 : x - Step 2: Convert to fraction form
7,963,723,388.97/10,989,960,464.39 = 4,346,779,786.79/x - Step 3: Cross multiply
7,963,723,388.97x = 10,989,960,464.39 × 4,346,779,786.79 - Step 4: Simplify right side
7,963,723,388.97x = 47,770,938,004,155,006,976 - Step 5: Solve for x
x = 47,770,938,004,155,006,976/7,963,723,388.97 - Step 6: Final answer
x = 5,998,568,216.26
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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.