Finding the Fourth Proportional to 3,186,999,310.70, 4,780,498,966.05 and 1,116,452,030.60
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Solution
The fourth proportional to 3,186,999,310.70, 4,780,498,966.05 and 1,116,452,030.60 is: 1,674,678,045.90
Step by Step Solution
- Step 1: Write the proportion equation
3,186,999,310.70 : 4,780,498,966.05 = 1,116,452,030.60 : x - Step 2: Convert to fraction form
3,186,999,310.70/4,780,498,966.05 = 1,116,452,030.60/x - Step 3: Cross multiply
3,186,999,310.70x = 4,780,498,966.05 × 1,116,452,030.60 - Step 4: Simplify right side
3,186,999,310.70x = 5,337,197,777,927,723,008 - Step 5: Solve for x
x = 5,337,197,777,927,723,008/3,186,999,310.70 - Step 6: Final answer
x = 1,674,678,045.90
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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.