Finding the Fourth Proportional to 4,367,486,898.60, 6,551,230,347.90 and 1,918,606,770.60
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Solution
The fourth proportional to 4,367,486,898.60, 6,551,230,347.90 and 1,918,606,770.60 is: 2,877,910,155.90
Step by Step Solution
- Step 1: Write the proportion equation
4,367,486,898.60 : 6,551,230,347.90 = 1,918,606,770.60 : x - Step 2: Convert to fraction form
4,367,486,898.60/6,551,230,347.90 = 1,918,606,770.60/x - Step 3: Cross multiply
4,367,486,898.60x = 6,551,230,347.90 × 1,918,606,770.60 - Step 4: Simplify right side
4,367,486,898.60x = 12,569,234,901,241,133,056 - Step 5: Solve for x
x = 12,569,234,901,241,133,056/4,367,486,898.60 - Step 6: Final answer
x = 2,877,910,155.90
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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.