Finding the Fourth Proportional to 7,133,198,254.08, 9,843,543,909.09 and 3,961,586,474.16
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Solution
The fourth proportional to 7,133,198,254.08, 9,843,543,909.09 and 3,961,586,474.16 is: 5,466,839,560.47
Step by Step Solution
- Step 1: Write the proportion equation
7,133,198,254.08 : 9,843,543,909.09 = 3,961,586,474.16 : x - Step 2: Convert to fraction form
7,133,198,254.08/9,843,543,909.09 = 3,961,586,474.16/x - Step 3: Cross multiply
7,133,198,254.08x = 9,843,543,909.09 × 3,961,586,474.16 - Step 4: Simplify right side
7,133,198,254.08x = 38,996,050,408,050,999,296 - Step 5: Solve for x
x = 38,996,050,408,050,999,296/7,133,198,254.08 - Step 6: Final answer
x = 5,466,839,560.47
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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.