Finding the Fourth Proportional to 422,897,340.49, 583,550,998.21 and 234,733,565.08
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Solution
The fourth proportional to 422,897,340.49, 583,550,998.21 and 234,733,565.08 is: 323,906,047.88
Step by Step Solution
- Step 1: Write the proportion equation
422,897,340.49 : 583,550,998.21 = 234,733,565.08 : x - Step 2: Convert to fraction form
422,897,340.49/583,550,998.21 = 234,733,565.08/x - Step 3: Cross multiply
422,897,340.49x = 583,550,998.21 × 234,733,565.08 - Step 4: Simplify right side
422,897,340.49x = 136,979,006,215,826,016 - Step 5: Solve for x
x = 136,979,006,215,826,016/422,897,340.49 - Step 6: Final answer
x = 323,906,047.88
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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.