Finding the Fourth Proportional to 1,228,318,688.96, 1,842,800,633.76 and 441,451,744.64
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Solution
The fourth proportional to 1,228,318,688.96, 1,842,800,633.76 and 441,451,744.64 is: 662,293,557.94
Step by Step Solution
- Step 1: Write the proportion equation
1,228,318,688.96 : 1,842,800,633.76 = 441,451,744.64 : x - Step 2: Convert to fraction form
1,228,318,688.96/1,842,800,633.76 = 441,451,744.64/x - Step 3: Cross multiply
1,228,318,688.96x = 1,842,800,633.76 × 441,451,744.64 - Step 4: Simplify right side
1,228,318,688.96x = 813,507,554,797,049,600 - Step 5: Solve for x
x = 813,507,554,797,049,600/1,228,318,688.96 - Step 6: Final answer
x = 662,293,557.94
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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.