Finding the Fourth Proportional to 433,479,468.48, 598,203,232.62 and 235,240,920.20
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Solution
The fourth proportional to 433,479,468.48, 598,203,232.62 and 235,240,920.20 is: 324,633,319.78
Step by Step Solution
- Step 1: Write the proportion equation
433,479,468.48 : 598,203,232.62 = 235,240,920.20 : x - Step 2: Convert to fraction form
433,479,468.48/598,203,232.62 = 235,240,920.20/x - Step 3: Cross multiply
433,479,468.48x = 598,203,232.62 × 235,240,920.20 - Step 4: Simplify right side
433,479,468.48x = 140,721,878,908,143,456 - Step 5: Solve for x
x = 140,721,878,908,143,456/433,479,468.48 - Step 6: Final answer
x = 324,633,319.78
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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.