Finding the Fourth Proportional to 1,532,740,120.20, 2,299,110,180.30 and 887,767,576.20
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Solution
The fourth proportional to 1,532,740,120.20, 2,299,110,180.30 and 887,767,576.20 is: 1,331,651,364.30
Step by Step Solution
- Step 1: Write the proportion equation
1,532,740,120.20 : 2,299,110,180.30 = 887,767,576.20 : x - Step 2: Convert to fraction form
1,532,740,120.20/2,299,110,180.30 = 887,767,576.20/x - Step 3: Cross multiply
1,532,740,120.20x = 2,299,110,180.30 × 887,767,576.20 - Step 4: Simplify right side
1,532,740,120.20x = 2,041,075,472,181,676,288 - Step 5: Solve for x
x = 2,041,075,472,181,676,288/1,532,740,120.20 - Step 6: Final answer
x = 1,331,651,364.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.