Finding the Fourth Proportional to 7,269,043,124.69, 10,031,279,531.38 and 3,927,541,407.07
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Solution
The fourth proportional to 7,269,043,124.69, 10,031,279,531.38 and 3,927,541,407.07 is: 5,420,007,152.19
Step by Step Solution
- Step 1: Write the proportion equation
7,269,043,124.69 : 10,031,279,531.38 = 3,927,541,407.07 : x - Step 2: Convert to fraction form
7,269,043,124.69/10,031,279,531.38 = 3,927,541,407.07/x - Step 3: Cross multiply
7,269,043,124.69x = 10,031,279,531.38 × 3,927,541,407.07 - Step 4: Simplify right side
7,269,043,124.69x = 39,398,265,725,388,693,504 - Step 5: Solve for x
x = 39,398,265,725,388,693,504/7,269,043,124.69 - Step 6: Final answer
x = 5,420,007,152.19
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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.