Finding the Fourth Proportional to 8,620,802,623.05, 12,931,203,934.58 and 6,554,560,015.05
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Solution
The fourth proportional to 8,620,802,623.05, 12,931,203,934.58 and 6,554,560,015.05 is: 9,831,840,022.58
Step by Step Solution
- Step 1: Write the proportion equation
8,620,802,623.05 : 12,931,203,934.58 = 6,554,560,015.05 : x - Step 2: Convert to fraction form
8,620,802,623.05/12,931,203,934.58 = 6,554,560,015.05/x - Step 3: Cross multiply
8,620,802,623.05x = 12,931,203,934.58 × 6,554,560,015.05 - Step 4: Simplify right side
8,620,802,623.05x = 84,758,352,256,022,544,384 - Step 5: Solve for x
x = 84,758,352,256,022,544,384/8,620,802,623.05 - Step 6: Final answer
x = 9,831,840,022.58
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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.