Finding the Fourth Proportional to 5,382,076,798.80, 8,073,115,198.20 and 1,451,775,358.80
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Solution
The fourth proportional to 5,382,076,798.80, 8,073,115,198.20 and 1,451,775,358.80 is: 2,177,663,038.20
Step by Step Solution
- Step 1: Write the proportion equation
5,382,076,798.80 : 8,073,115,198.20 = 1,451,775,358.80 : x - Step 2: Convert to fraction form
5,382,076,798.80/8,073,115,198.20 = 1,451,775,358.80/x - Step 3: Cross multiply
5,382,076,798.80x = 8,073,115,198.20 × 1,451,775,358.80 - Step 4: Simplify right side
5,382,076,798.80x = 11,720,349,713,500,536,832 - Step 5: Solve for x
x = 11,720,349,713,500,536,832/5,382,076,798.80 - Step 6: Final answer
x = 2,177,663,038.20
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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.