Finding the Fourth Proportional to 7,176,408,099.30, 10,764,612,148.95 and 7,079,662,217.70
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Solution
The fourth proportional to 7,176,408,099.30, 10,764,612,148.95 and 7,079,662,217.70 is: 10,619,493,326.55
Step by Step Solution
- Step 1: Write the proportion equation
7,176,408,099.30 : 10,764,612,148.95 = 7,079,662,217.70 : x - Step 2: Convert to fraction form
7,176,408,099.30/10,764,612,148.95 = 7,079,662,217.70/x - Step 3: Cross multiply
7,176,408,099.30x = 10,764,612,148.95 × 7,079,662,217.70 - Step 4: Simplify right side
7,176,408,099.30x = 76,209,817,919,115,722,752 - Step 5: Solve for x
x = 76,209,817,919,115,722,752/7,176,408,099.30 - Step 6: Final answer
x = 10,619,493,326.55
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Double scale
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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.