Finding the Fourth Proportional to 8,747,448,439.92, 12,067,031,632.64 and 5,313,232,884.80
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Solution
The fourth proportional to 8,747,448,439.92, 12,067,031,632.64 and 5,313,232,884.80 is: 7,329,560,126.33
Step by Step Solution
- Step 1: Write the proportion equation
8,747,448,439.92 : 12,067,031,632.64 = 5,313,232,884.80 : x - Step 2: Convert to fraction form
8,747,448,439.92/12,067,031,632.64 = 5,313,232,884.80/x - Step 3: Cross multiply
8,747,448,439.92x = 12,067,031,632.64 × 5,313,232,884.80 - Step 4: Simplify right side
8,747,448,439.92x = 64,114,949,292,377,784,320 - Step 5: Solve for x
x = 64,114,949,292,377,784,320/8,747,448,439.92 - Step 6: Final answer
x = 7,329,560,126.33
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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.