Finding the Fourth Proportional to 697,771,799.24, 962,931,539.99 and 384,517,222.97
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Solution
The fourth proportional to 697,771,799.24, 962,931,539.99 and 384,517,222.97 is: 530,637,325.94
Step by Step Solution
- Step 1: Write the proportion equation
697,771,799.24 : 962,931,539.99 = 384,517,222.97 : x - Step 2: Convert to fraction form
697,771,799.24/962,931,539.99 = 384,517,222.97/x - Step 3: Cross multiply
697,771,799.24x = 962,931,539.99 × 384,517,222.97 - Step 4: Simplify right side
697,771,799.24x = 370,263,761,663,326,912 - Step 5: Solve for x
x = 370,263,761,663,326,912/697,771,799.24 - Step 6: Final answer
x = 530,637,325.94
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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.