Finding the Fourth Proportional to 7,182,464,793.60, 10,752,198,105.60 and 6,408,497,740.80
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Solution
The fourth proportional to 7,182,464,793.60, 10,752,198,105.60 and 6,408,497,740.80 is: 9,593,564,221.82
Step by Step Solution
- Step 1: Write the proportion equation
7,182,464,793.60 : 10,752,198,105.60 = 6,408,497,740.80 : x - Step 2: Convert to fraction form
7,182,464,793.60/10,752,198,105.60 = 6,408,497,740.80/x - Step 3: Cross multiply
7,182,464,793.60x = 10,752,198,105.60 × 6,408,497,740.80 - Step 4: Simplify right side
7,182,464,793.60x = 68,905,437,268,371,644,416 - Step 5: Solve for x
x = 68,905,437,268,371,644,416/7,182,464,793.60 - Step 6: Final answer
x = 9,593,564,221.82
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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.