Finding the Fourth Proportional to 3,672,806,659.20, 5,509,209,988.80 and 3,529,955,318.40
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Solution
The fourth proportional to 3,672,806,659.20, 5,509,209,988.80 and 3,529,955,318.40 is: 5,294,932,977.60
Step by Step Solution
- Step 1: Write the proportion equation
3,672,806,659.20 : 5,509,209,988.80 = 3,529,955,318.40 : x - Step 2: Convert to fraction form
3,672,806,659.20/5,509,209,988.80 = 3,529,955,318.40/x - Step 3: Cross multiply
3,672,806,659.20x = 5,509,209,988.80 × 3,529,955,318.40 - Step 4: Simplify right side
3,672,806,659.20x = 19,447,265,100,146,966,528 - Step 5: Solve for x
x = 19,447,265,100,146,966,528/3,672,806,659.20 - Step 6: Final answer
x = 5,294,932,977.60
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Similar ratio
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1.5x scale
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.