Finding the Fourth Proportional to 472,535,032.80, 708,589,972.80 and 181,305,364.80
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Solution
The fourth proportional to 472,535,032.80, 708,589,972.80 and 181,305,364.80 is: 271,876,484.48
Step by Step Solution
- Step 1: Write the proportion equation
472,535,032.80 : 708,589,972.80 = 181,305,364.80 : x - Step 2: Convert to fraction form
472,535,032.80/708,589,972.80 = 181,305,364.80/x - Step 3: Cross multiply
472,535,032.80x = 708,589,972.80 × 181,305,364.80 - Step 4: Simplify right side
472,535,032.80x = 128,471,163,512,126,080 - Step 5: Solve for x
x = 128,471,163,512,126,080/472,535,032.80 - Step 6: Final answer
x = 271,876,484.48
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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.