Finding the Fourth Proportional to 183,707,998.40, 257,531,320 and 183,707,998.40
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Solution
The fourth proportional to 183,707,998.40, 257,531,320 and 183,707,998.40 is: 257,531,320
Step by Step Solution
- Step 1: Write the proportion equation
183,707,998.40 : 257,531,320 = 183,707,998.40 : x - Step 2: Convert to fraction form
183,707,998.40/257,531,320 = 183,707,998.40/x - Step 3: Cross multiply
183,707,998.40x = 257,531,320 × 183,707,998.40 - Step 4: Simplify right side
183,707,998.40x = 47,310,563,322,509,888 - Step 5: Solve for x
x = 47,310,563,322,509,888/183,707,998.40 - Step 6: Final answer
x = 257,531,320
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.