Finding the Fourth Proportional to 7,252,960,986.80, 10,879,441,480.20 and 6,672,485,697.20
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Solution
The fourth proportional to 7,252,960,986.80, 10,879,441,480.20 and 6,672,485,697.20 is: 10,008,728,545.80
Step by Step Solution
- Step 1: Write the proportion equation
7,252,960,986.80 : 10,879,441,480.20 = 6,672,485,697.20 : x - Step 2: Convert to fraction form
7,252,960,986.80/10,879,441,480.20 = 6,672,485,697.20/x - Step 3: Cross multiply
7,252,960,986.80x = 10,879,441,480.20 × 6,672,485,697.20 - Step 4: Simplify right side
7,252,960,986.80x = 72,592,917,670,158,901,248 - Step 5: Solve for x
x = 72,592,917,670,158,901,248/7,252,960,986.80 - Step 6: Final answer
x = 10,008,728,545.80
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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.