Finding the Fourth Proportional to 2,982,395,353.14, 4,472,875,584.32 and 912,135,051.18
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Solution
The fourth proportional to 2,982,395,353.14, 4,472,875,584.32 and 912,135,051.18 is: 1,367,983,153.45
Step by Step Solution
- Step 1: Write the proportion equation
2,982,395,353.14 : 4,472,875,584.32 = 912,135,051.18 : x - Step 2: Convert to fraction form
2,982,395,353.14/4,472,875,584.32 = 912,135,051.18/x - Step 3: Cross multiply
2,982,395,353.14x = 4,472,875,584.32 × 912,135,051.18 - Step 4: Simplify right side
2,982,395,353.14x = 4,079,866,600,020,934,144 - Step 5: Solve for x
x = 4,079,866,600,020,934,144/2,982,395,353.14 - Step 6: Final answer
x = 1,367,983,153.45
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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.