Finding the Fourth Proportional to 651,049,192.73, 898,524,908.87 and 386,732,230.05
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Solution
The fourth proportional to 651,049,192.73, 898,524,908.87 and 386,732,230.05 is: 533,736,230.14
Step by Step Solution
- Step 1: Write the proportion equation
651,049,192.73 : 898,524,908.87 = 386,732,230.05 : x - Step 2: Convert to fraction form
651,049,192.73/898,524,908.87 = 386,732,230.05/x - Step 3: Cross multiply
651,049,192.73x = 898,524,908.87 × 386,732,230.05 - Step 4: Simplify right side
651,049,192.73x = 347,488,541,760,365,440 - Step 5: Solve for x
x = 347,488,541,760,365,440/651,049,192.73 - Step 6: Final answer
x = 533,736,230.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.