Finding the Fourth Proportional to 2,555,432,944.47, 3,526,531,727.67 and 1,441,595,594.07
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Solution
The fourth proportional to 2,555,432,944.47, 3,526,531,727.67 and 1,441,595,594.07 is: 1,989,421,249.33
Step by Step Solution
- Step 1: Write the proportion equation
2,555,432,944.47 : 3,526,531,727.67 = 1,441,595,594.07 : x - Step 2: Convert to fraction form
2,555,432,944.47/3,526,531,727.67 = 1,441,595,594.07/x - Step 3: Cross multiply
2,555,432,944.47x = 3,526,531,727.67 × 1,441,595,594.07 - Step 4: Simplify right side
2,555,432,944.47x = 5,083,832,600,957,136,896 - Step 5: Solve for x
x = 5,083,832,600,957,136,896/2,555,432,944.47 - Step 6: Final answer
x = 1,989,421,249.33
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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.