Finding the Fourth Proportional to 3,634,941,989.36, 5,441,230,032.48 and 2,371,686,009.12
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Solution
The fourth proportional to 3,634,941,989.36, 5,441,230,032.48 and 2,371,686,009.12 is: 3,550,232,487.40
Step by Step Solution
- Step 1: Write the proportion equation
3,634,941,989.36 : 5,441,230,032.48 = 2,371,686,009.12 : x - Step 2: Convert to fraction form
3,634,941,989.36/5,441,230,032.48 = 2,371,686,009.12/x - Step 3: Cross multiply
3,634,941,989.36x = 5,441,230,032.48 × 2,371,686,009.12 - Step 4: Simplify right side
3,634,941,989.36x = 12,904,889,140,436,377,600 - Step 5: Solve for x
x = 12,904,889,140,436,377,600/3,634,941,989.36 - Step 6: Final answer
x = 3,550,232,487.40
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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.