Finding the Fourth Proportional to 1,180,983,324.80, 1,771,474,987.20 and 852,765,363.20
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Solution
The fourth proportional to 1,180,983,324.80, 1,771,474,987.20 and 852,765,363.20 is: 1,279,148,044.80
Step by Step Solution
- Step 1: Write the proportion equation
1,180,983,324.80 : 1,771,474,987.20 = 852,765,363.20 : x - Step 2: Convert to fraction form
1,180,983,324.80/1,771,474,987.20 = 852,765,363.20/x - Step 3: Cross multiply
1,180,983,324.80x = 1,771,474,987.20 × 852,765,363.20 - Step 4: Simplify right side
1,180,983,324.80x = 1,510,652,510,859,323,392 - Step 5: Solve for x
x = 1,510,652,510,859,323,392/1,180,983,324.80 - Step 6: Final answer
x = 1,279,148,044.80
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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.