Finding the Fourth Proportional to 402,408,049.30, 603,612,073.95 and 115,193,713.30
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Solution
The fourth proportional to 402,408,049.30, 603,612,073.95 and 115,193,713.30 is: 172,790,569.95
Step by Step Solution
- Step 1: Write the proportion equation
402,408,049.30 : 603,612,073.95 = 115,193,713.30 : x - Step 2: Convert to fraction form
402,408,049.30/603,612,073.95 = 115,193,713.30/x - Step 3: Cross multiply
402,408,049.30x = 603,612,073.95 × 115,193,713.30 - Step 4: Simplify right side
402,408,049.30x = 69,532,316,191,014,704 - Step 5: Solve for x
x = 69,532,316,191,014,704/402,408,049.30 - Step 6: Final answer
x = 172,790,569.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.