Finding the Fourth Proportional to 1,919,709,531.20, 2,875,259,624.70 and 1,575,335,763.20
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Solution
The fourth proportional to 1,919,709,531.20, 2,875,259,624.70 and 1,575,335,763.20 is: 2,359,471,181.27
Step by Step Solution
- Step 1: Write the proportion equation
1,919,709,531.20 : 2,875,259,624.70 = 1,575,335,763.20 : x - Step 2: Convert to fraction form
1,919,709,531.20/2,875,259,624.70 = 1,575,335,763.20/x - Step 3: Cross multiply
1,919,709,531.20x = 2,875,259,624.70 × 1,575,335,763.20 - Step 4: Simplify right side
1,919,709,531.20x = 4,529,499,315,274,919,936 - Step 5: Solve for x
x = 4,529,499,315,274,919,936/1,919,709,531.20 - Step 6: Final answer
x = 2,359,471,181.27
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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.