Finding the Fourth Proportional to 3,491,145,817.08, 4,817,883,366.54 and 1,905,339,486.84
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Solution
The fourth proportional to 3,491,145,817.08, 4,817,883,366.54 and 1,905,339,486.84 is: 2,629,424,235.55
Step by Step Solution
- Step 1: Write the proportion equation
3,491,145,817.08 : 4,817,883,366.54 = 1,905,339,486.84 : x - Step 2: Convert to fraction form
3,491,145,817.08/4,817,883,366.54 = 1,905,339,486.84/x - Step 3: Cross multiply
3,491,145,817.08x = 4,817,883,366.54 × 1,905,339,486.84 - Step 4: Simplify right side
3,491,145,817.08x = 9,179,703,421,258,294,272 - Step 5: Solve for x
x = 9,179,703,421,258,294,272/3,491,145,817.08 - Step 6: Final answer
x = 2,629,424,235.55
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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.