Finding the Fourth Proportional to 527,706,147.18, 727,931,924.11 and 329,122,876.97
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Solution
The fourth proportional to 527,706,147.18, 727,931,924.11 and 329,122,876.97 is: 454,000,868.44
Step by Step Solution
- Step 1: Write the proportion equation
527,706,147.18 : 727,931,924.11 = 329,122,876.97 : x - Step 2: Convert to fraction form
527,706,147.18/727,931,924.11 = 329,122,876.97/x - Step 3: Cross multiply
527,706,147.18x = 727,931,924.11 × 329,122,876.97 - Step 4: Simplify right side
527,706,147.18x = 239,579,049,103,622,176 - Step 5: Solve for x
x = 239,579,049,103,622,176/527,706,147.18 - Step 6: Final answer
x = 454,000,868.44
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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.