Finding the Fourth Proportional to 327,408,031.80, 491,112,047.70 and 163,671,059.70
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Solution
The fourth proportional to 327,408,031.80, 491,112,047.70 and 163,671,059.70 is: 245,506,589.55
Step by Step Solution
- Step 1: Write the proportion equation
327,408,031.80 : 491,112,047.70 = 163,671,059.70 : x - Step 2: Convert to fraction form
327,408,031.80/491,112,047.70 = 163,671,059.70/x - Step 3: Cross multiply
327,408,031.80x = 491,112,047.70 × 163,671,059.70 - Step 4: Simplify right side
327,408,031.80x = 80,380,829,278,495,936 - Step 5: Solve for x
x = 80,380,829,278,495,936/327,408,031.80 - Step 6: Final answer
x = 245,506,589.55
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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.