Finding the Fourth Proportional to 330,721,351.88, 495,748,546.50 and 207,987,383.84
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Solution
The fourth proportional to 330,721,351.88, 495,748,546.50 and 207,987,383.84 is: 311,771,352.66
Step by Step Solution
- Step 1: Write the proportion equation
330,721,351.88 : 495,748,546.50 = 207,987,383.84 : x - Step 2: Convert to fraction form
330,721,351.88/495,748,546.50 = 207,987,383.84/x - Step 3: Cross multiply
330,721,351.88x = 495,748,546.50 × 207,987,383.84 - Step 4: Simplify right side
330,721,351.88x = 103,109,443,229,017,584 - Step 5: Solve for x
x = 103,109,443,229,017,584/330,721,351.88 - Step 6: Final answer
x = 311,771,352.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.