Finding the Fourth Proportional to 1,838,441,444.14, 2,757,457,822.65 and 657,974,251.90
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Solution
The fourth proportional to 1,838,441,444.14, 2,757,457,822.65 and 657,974,251.90 is: 986,888,243.73
Step by Step Solution
- Step 1: Write the proportion equation
1,838,441,444.14 : 2,757,457,822.65 = 657,974,251.90 : x - Step 2: Convert to fraction form
1,838,441,444.14/2,757,457,822.65 = 657,974,251.90/x - Step 3: Cross multiply
1,838,441,444.14x = 2,757,457,822.65 × 657,974,251.90 - Step 4: Simplify right side
1,838,441,444.14x = 1,814,336,248,003,936,512 - Step 5: Solve for x
x = 1,814,336,248,003,936,512/1,838,441,444.14 - Step 6: Final answer
x = 986,888,243.73
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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.