Finding the Fourth Proportional to 3,156,195,473.68, 4,351,985,443.56 and 2,360,692,063.12
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Solution
The fourth proportional to 3,156,195,473.68, 4,351,985,443.56 and 2,360,692,063.12 is: 3,255,089,103.67
Step by Step Solution
- Step 1: Write the proportion equation
3,156,195,473.68 : 4,351,985,443.56 = 2,360,692,063.12 : x - Step 2: Convert to fraction form
3,156,195,473.68/4,351,985,443.56 = 2,360,692,063.12/x - Step 3: Cross multiply
3,156,195,473.68x = 4,351,985,443.56 × 2,360,692,063.12 - Step 4: Simplify right side
3,156,195,473.68x = 10,273,697,495,425,865,728 - Step 5: Solve for x
x = 10,273,697,495,425,865,728/3,156,195,473.68 - Step 6: Final answer
x = 3,255,089,103.67
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1.5x scale
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.