Finding the Fourth Proportional to 1,068,957,405.20, 1,603,436,107.80 and 896,770,521.20
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Solution
The fourth proportional to 1,068,957,405.20, 1,603,436,107.80 and 896,770,521.20 is: 1,345,155,781.80
Step by Step Solution
- Step 1: Write the proportion equation
1,068,957,405.20 : 1,603,436,107.80 = 896,770,521.20 : x - Step 2: Convert to fraction form
1,068,957,405.20/1,603,436,107.80 = 896,770,521.20/x - Step 3: Cross multiply
1,068,957,405.20x = 1,603,436,107.80 × 896,770,521.20 - Step 4: Simplify right side
1,068,957,405.20x = 1,437,914,234,102,705,408 - Step 5: Solve for x
x = 1,437,914,234,102,705,408/1,068,957,405.20 - Step 6: Final answer
x = 1,345,155,781.80
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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.