Finding the Fourth Proportional to 697,824,568.08, 962,998,104.07 and 380,284,903.09
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Solution
The fourth proportional to 697,824,568.08, 962,998,104.07 and 380,284,903.09 is: 524,793,275.31
Step by Step Solution
- Step 1: Write the proportion equation
697,824,568.08 : 962,998,104.07 = 380,284,903.09 : x - Step 2: Convert to fraction form
697,824,568.08/962,998,104.07 = 380,284,903.09/x - Step 3: Cross multiply
697,824,568.08x = 962,998,104.07 × 380,284,903.09 - Step 4: Simplify right side
697,824,568.08x = 366,213,640,676,241,472 - Step 5: Solve for x
x = 366,213,640,676,241,472/697,824,568.08 - Step 6: Final answer
x = 524,793,275.31
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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.