Finding the Fourth Proportional to 5,392,079,485.20, 8,088,119,227.80 and 4,790,105,110.80
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Solution
The fourth proportional to 5,392,079,485.20, 8,088,119,227.80 and 4,790,105,110.80 is: 7,185,157,666.20
Step by Step Solution
- Step 1: Write the proportion equation
5,392,079,485.20 : 8,088,119,227.80 = 4,790,105,110.80 : x - Step 2: Convert to fraction form
5,392,079,485.20/8,088,119,227.80 = 4,790,105,110.80/x - Step 3: Cross multiply
5,392,079,485.20x = 8,088,119,227.80 × 4,790,105,110.80 - Step 4: Simplify right side
5,392,079,485.20x = 38,742,941,249,844,535,296 - Step 5: Solve for x
x = 38,742,941,249,844,535,296/5,392,079,485.20 - Step 6: Final answer
x = 7,185,157,666.20
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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.