Finding the Fourth Proportional to 353,218,135.92, 487,457,078.40 and 196,595,270.70
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Solution
The fourth proportional to 353,218,135.92, 487,457,078.40 and 196,595,270.70 is: 271,310,407.19
Step by Step Solution
- Step 1: Write the proportion equation
353,218,135.92 : 487,457,078.40 = 196,595,270.70 : x - Step 2: Convert to fraction form
353,218,135.92/487,457,078.40 = 196,595,270.70/x - Step 3: Cross multiply
353,218,135.92x = 487,457,078.40 × 196,595,270.70 - Step 4: Simplify right side
353,218,135.92x = 95,831,756,282,679,120 - Step 5: Solve for x
x = 95,831,756,282,679,120/353,218,135.92 - Step 6: Final answer
x = 271,310,407.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.