Finding the Fourth Proportional to 363,721,842.56, 545,927,688.84 and 225,128,216.18
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Solution
The fourth proportional to 363,721,842.56, 545,927,688.84 and 225,128,216.18 is: 337,905,818.05
Step by Step Solution
- Step 1: Write the proportion equation
363,721,842.56 : 545,927,688.84 = 225,128,216.18 : x - Step 2: Convert to fraction form
363,721,842.56/545,927,688.84 = 225,128,216.18/x - Step 3: Cross multiply
363,721,842.56x = 545,927,688.84 × 225,128,216.18 - Step 4: Simplify right side
363,721,842.56x = 122,903,726,751,819,312 - Step 5: Solve for x
x = 122,903,726,751,819,312/363,721,842.56 - Step 6: Final answer
x = 337,905,818.05
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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.