Finding the Fourth Proportional to 1,135,503,418.20, 1,566,929,330.46 and 633,672,845.16
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Solution
The fourth proportional to 1,135,503,418.20, 1,566,929,330.46 and 633,672,845.16 is: 874,432,037.00
Step by Step Solution
- Step 1: Write the proportion equation
1,135,503,418.20 : 1,566,929,330.46 = 633,672,845.16 : x - Step 2: Convert to fraction form
1,135,503,418.20/1,566,929,330.46 = 633,672,845.16/x - Step 3: Cross multiply
1,135,503,418.20x = 1,566,929,330.46 × 633,672,845.16 - Step 4: Simplify right side
1,135,503,418.20x = 992,920,566,997,241,984 - Step 5: Solve for x
x = 992,920,566,997,241,984/1,135,503,418.20 - Step 6: Final answer
x = 874,432,037.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.