Finding the Fourth Proportional to 1,860,408,029.20, 2,790,612,043.80 and 1,601,915,126.80
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Solution
The fourth proportional to 1,860,408,029.20, 2,790,612,043.80 and 1,601,915,126.80 is: 2,402,872,690.20
Step by Step Solution
- Step 1: Write the proportion equation
1,860,408,029.20 : 2,790,612,043.80 = 1,601,915,126.80 : x - Step 2: Convert to fraction form
1,860,408,029.20/2,790,612,043.80 = 1,601,915,126.80/x - Step 3: Cross multiply
1,860,408,029.20x = 2,790,612,043.80 × 1,601,915,126.80 - Step 4: Simplify right side
1,860,408,029.20x = 4,470,323,645,993,484,288 - Step 5: Solve for x
x = 4,470,323,645,993,484,288/1,860,408,029.20 - Step 6: Final answer
x = 2,402,872,690.20
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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.