Finding the Fourth Proportional to 2,609,415,875.19, 3,600,994,432.82 and 1,435,994,147.19
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Solution
The fourth proportional to 2,609,415,875.19, 3,600,994,432.82 and 1,435,994,147.19 is: 1,981,672,212.07
Step by Step Solution
- Step 1: Write the proportion equation
2,609,415,875.19 : 3,600,994,432.82 = 1,435,994,147.19 : x - Step 2: Convert to fraction form
2,609,415,875.19/3,600,994,432.82 = 1,435,994,147.19/x - Step 3: Cross multiply
2,609,415,875.19x = 3,600,994,432.82 × 1,435,994,147.19 - Step 4: Simplify right side
2,609,415,875.19x = 5,171,006,929,586,113,536 - Step 5: Solve for x
x = 5,171,006,929,586,113,536/2,609,415,875.19 - Step 6: Final answer
x = 1,981,672,212.07
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.