Finding the Fourth Proportional to 3,636,232,661.43, 5,018,124,885.99 and 2,110,202,650.61
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Solution
The fourth proportional to 3,636,232,661.43, 5,018,124,885.99 and 2,110,202,650.61 is: 2,912,151,509.95
Step by Step Solution
- Step 1: Write the proportion equation
3,636,232,661.43 : 5,018,124,885.99 = 2,110,202,650.61 : x - Step 2: Convert to fraction form
3,636,232,661.43/5,018,124,885.99 = 2,110,202,650.61/x - Step 3: Cross multiply
3,636,232,661.43x = 5,018,124,885.99 × 2,110,202,650.61 - Step 4: Simplify right side
3,636,232,661.43x = 10,589,260,435,497,549,824 - Step 5: Solve for x
x = 10,589,260,435,497,549,824/3,636,232,661.43 - Step 6: Final answer
x = 2,912,151,509.95
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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.