Finding the Fourth Proportional to 2,878,821,167.10, 4,318,231,750.65 and 2,413,916,580.30
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Solution
The fourth proportional to 2,878,821,167.10, 4,318,231,750.65 and 2,413,916,580.30 is: 3,620,874,870.45
Step by Step Solution
- Step 1: Write the proportion equation
2,878,821,167.10 : 4,318,231,750.65 = 2,413,916,580.30 : x - Step 2: Convert to fraction form
2,878,821,167.10/4,318,231,750.65 = 2,413,916,580.30/x - Step 3: Cross multiply
2,878,821,167.10x = 4,318,231,750.65 × 2,413,916,580.30 - Step 4: Simplify right side
2,878,821,167.10x = 10,423,851,220,471,930,880 - Step 5: Solve for x
x = 10,423,851,220,471,930,880/2,878,821,167.10 - Step 6: Final answer
x = 3,620,874,870.45
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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.