Finding the Fourth Proportional to 512,521,330.41, 768,913,040.66 and 149,015,686.41
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Solution
The fourth proportional to 512,521,330.41, 768,913,040.66 and 149,015,686.41 is: 223,561,630.99
Step by Step Solution
- Step 1: Write the proportion equation
512,521,330.41 : 768,913,040.66 = 149,015,686.41 : x - Step 2: Convert to fraction form
512,521,330.41/768,913,040.66 = 149,015,686.41/x - Step 3: Cross multiply
512,521,330.41x = 768,913,040.66 × 149,015,686.41 - Step 4: Simplify right side
512,521,330.41x = 114,580,104,542,805,056 - Step 5: Solve for x
x = 114,580,104,542,805,056/512,521,330.41 - Step 6: Final answer
x = 223,561,630.99
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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.