Finding the Fourth Proportional to 4,290,620,901.48, 6,432,459,795.90 and 1,341,383,167.08
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Solution
The fourth proportional to 4,290,620,901.48, 6,432,459,795.90 and 1,341,383,167.08 is: 2,010,989,432.83
Step by Step Solution
- Step 1: Write the proportion equation
4,290,620,901.48 : 6,432,459,795.90 = 1,341,383,167.08 : x - Step 2: Convert to fraction form
4,290,620,901.48/6,432,459,795.90 = 1,341,383,167.08/x - Step 3: Cross multiply
4,290,620,901.48x = 6,432,459,795.90 × 1,341,383,167.08 - Step 4: Simplify right side
4,290,620,901.48x = 8,628,393,293,139,110,912 - Step 5: Solve for x
x = 8,628,393,293,139,110,912/4,290,620,901.48 - Step 6: Final answer
x = 2,010,989,432.83
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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.