Finding the Fourth Proportional to 2,652,101,692.74, 3,977,473,992.28 and 786,311,101.19
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Solution
The fourth proportional to 2,652,101,692.74, 3,977,473,992.28 and 786,311,101.19 is: 1,179,265,472.13
Step by Step Solution
- Step 1: Write the proportion equation
2,652,101,692.74 : 3,977,473,992.28 = 786,311,101.19 : x - Step 2: Convert to fraction form
2,652,101,692.74/3,977,473,992.28 = 786,311,101.19/x - Step 3: Cross multiply
2,652,101,692.74x = 3,977,473,992.28 × 786,311,101.19 - Step 4: Simplify right side
2,652,101,692.74x = 3,127,531,954,824,272,896 - Step 5: Solve for x
x = 3,127,531,954,824,272,896/2,652,101,692.74 - Step 6: Final answer
x = 1,179,265,472.13
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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.