Finding the Fourth Proportional to 320,206,854.96, 441,885,837.60 and 173,529,138.96
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Solution
The fourth proportional to 320,206,854.96, 441,885,837.60 and 173,529,138.96 is: 239,470,416.48
Step by Step Solution
- Step 1: Write the proportion equation
320,206,854.96 : 441,885,837.60 = 173,529,138.96 : x - Step 2: Convert to fraction form
320,206,854.96/441,885,837.60 = 173,529,138.96/x - Step 3: Cross multiply
320,206,854.96x = 441,885,837.60 × 173,529,138.96 - Step 4: Simplify right side
320,206,854.96x = 76,680,068,917,346,400 - Step 5: Solve for x
x = 76,680,068,917,346,400/320,206,854.96 - Step 6: Final answer
x = 239,470,416.48
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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.