Finding the Fourth Proportional to 345,962,494.68, 477,427,934.21 and 195,286,865.87
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Solution
The fourth proportional to 345,962,494.68, 477,427,934.21 and 195,286,865.87 is: 269,495,700.79
Step by Step Solution
- Step 1: Write the proportion equation
345,962,494.68 : 477,427,934.21 = 195,286,865.87 : x - Step 2: Convert to fraction form
345,962,494.68/477,427,934.21 = 195,286,865.87/x - Step 3: Cross multiply
345,962,494.68x = 477,427,934.21 × 195,286,865.87 - Step 4: Simplify right side
345,962,494.68x = 93,235,404,950,876,592 - Step 5: Solve for x
x = 93,235,404,950,876,592/345,962,494.68 - Step 6: Final answer
x = 269,495,700.79
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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.