Finding the Fourth Proportional to 999,053,490,915.38, 1,498,403,092,576.20 and 454,374,408,229.11
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Solution
The fourth proportional to 999,053,490,915.38, 1,498,403,092,576.20 and 454,374,408,229.11 is: 681,481,046,479.47
Step by Step Solution
- Step 1: Write the proportion equation
999,053,490,915.38 : 1,498,403,092,576.20 = 454,374,408,229.11 : x - Step 2: Convert to fraction form
999,053,490,915.38/1,498,403,092,576.20 = 454,374,408,229.11/x - Step 3: Cross multiply
999,053,490,915.38x = 1,498,403,092,576.20 × 454,374,408,229.11 - Step 4: Simplify right side
999,053,490,915.38x = 680,836,018,477,979,100,250,112 - Step 5: Solve for x
x = 680,836,018,477,979,100,250,112/999,053,490,915.38 - Step 6: Final answer
x = 681,481,046,479.47
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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.