Finding the Fourth Proportional to 8,177,103,647.80, 12,265,655,471.70 and 3,521,208,095.80
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Solution
The fourth proportional to 8,177,103,647.80, 12,265,655,471.70 and 3,521,208,095.80 is: 5,281,812,143.70
Step by Step Solution
- Step 1: Write the proportion equation
8,177,103,647.80 : 12,265,655,471.70 = 3,521,208,095.80 : x - Step 2: Convert to fraction form
8,177,103,647.80/12,265,655,471.70 = 3,521,208,095.80/x - Step 3: Cross multiply
8,177,103,647.80x = 12,265,655,471.70 × 3,521,208,095.80 - Step 4: Simplify right side
8,177,103,647.80x = 43,189,925,347,243,614,208 - Step 5: Solve for x
x = 43,189,925,347,243,614,208/8,177,103,647.80 - Step 6: Final answer
x = 5,281,812,143.70
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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.