Finding the Fourth Proportional to 345,797,945.16, 477,199,737.57 and 187,028,245.41
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Solution
The fourth proportional to 345,797,945.16, 477,199,737.57 and 187,028,245.41 is: 258,098,206.99
Step by Step Solution
- Step 1: Write the proportion equation
345,797,945.16 : 477,199,737.57 = 187,028,245.41 : x - Step 2: Convert to fraction form
345,797,945.16/477,199,737.57 = 187,028,245.41/x - Step 3: Cross multiply
345,797,945.16x = 477,199,737.57 × 187,028,245.41 - Step 4: Simplify right side
345,797,945.16x = 89,249,829,626,894,416 - Step 5: Solve for x
x = 89,249,829,626,894,416/345,797,945.16 - Step 6: Final answer
x = 258,098,206.99
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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.