Finding the Fourth Proportional to 4,367,486,898.35, 6,551,230,347.53 and 1,918,606,770.35
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Solution
The fourth proportional to 4,367,486,898.35, 6,551,230,347.53 and 1,918,606,770.35 is: 2,877,910,155.53
Step by Step Solution
- Step 1: Write the proportion equation
4,367,486,898.35 : 6,551,230,347.53 = 1,918,606,770.35 : x - Step 2: Convert to fraction form
4,367,486,898.35/6,551,230,347.53 = 1,918,606,770.35/x - Step 3: Cross multiply
4,367,486,898.35x = 6,551,230,347.53 × 1,918,606,770.35 - Step 4: Simplify right side
4,367,486,898.35x = 12,569,234,898,893,441,024 - Step 5: Solve for x
x = 12,569,234,898,893,441,024/4,367,486,898.35 - Step 6: Final answer
x = 2,877,910,155.53
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1.5x scale
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.