Finding the Fourth Proportional to 369,475,798.92, 507,160,635.74 and 326,723,141.94
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Solution
The fourth proportional to 369,475,798.92, 507,160,635.74 and 326,723,141.94 is: 448,476,238.12
Step by Step Solution
- Step 1: Write the proportion equation
369,475,798.92 : 507,160,635.74 = 326,723,141.94 : x - Step 2: Convert to fraction form
369,475,798.92/507,160,635.74 = 326,723,141.94/x - Step 3: Cross multiply
369,475,798.92x = 507,160,635.74 × 326,723,141.94 - Step 4: Simplify right side
369,475,798.92x = 165,701,116,375,627,040 - Step 5: Solve for x
x = 165,701,116,375,627,040/369,475,798.92 - Step 6: Final answer
x = 448,476,238.12
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.