Finding the Fourth Proportional to 7,068,927,609.80, 10,603,391,414.70 and 3,134,457,310.40
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Solution
The fourth proportional to 7,068,927,609.80, 10,603,391,414.70 and 3,134,457,310.40 is: 4,701,685,965.60
Step by Step Solution
- Step 1: Write the proportion equation
7,068,927,609.80 : 10,603,391,414.70 = 3,134,457,310.40 : x - Step 2: Convert to fraction form
7,068,927,609.80/10,603,391,414.70 = 3,134,457,310.40/x - Step 3: Cross multiply
7,068,927,609.80x = 10,603,391,414.70 × 3,134,457,310.40 - Step 4: Simplify right side
7,068,927,609.80x = 33,235,877,734,839,017,472 - Step 5: Solve for x
x = 33,235,877,734,839,017,472/7,068,927,609.80 - Step 6: Final answer
x = 4,701,685,965.60
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1.5x scale
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.