Finding the Fourth Proportional to 1,427,253,655.10, 2,140,880,482.65 and 1,330,398,532.85
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Solution
The fourth proportional to 1,427,253,655.10, 2,140,880,482.65 and 1,330,398,532.85 is: 1,995,597,799.28
Step by Step Solution
- Step 1: Write the proportion equation
1,427,253,655.10 : 2,140,880,482.65 = 1,330,398,532.85 : x - Step 2: Convert to fraction form
1,427,253,655.10/2,140,880,482.65 = 1,330,398,532.85/x - Step 3: Cross multiply
1,427,253,655.10x = 2,140,880,482.65 × 1,330,398,532.85 - Step 4: Simplify right side
1,427,253,655.10x = 2,848,224,253,124,759,552 - Step 5: Solve for x
x = 2,848,224,253,124,759,552/1,427,253,655.10 - Step 6: Final answer
x = 1,995,597,799.28
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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.