Finding the Fourth Proportional to 963,959,992.51, 1,330,292,850.92 and 546,258,388.99
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Solution
The fourth proportional to 963,959,992.51, 1,330,292,850.92 and 546,258,388.99 is: 753,852,478.60
Step by Step Solution
- Step 1: Write the proportion equation
963,959,992.51 : 1,330,292,850.92 = 546,258,388.99 : x - Step 2: Convert to fraction form
963,959,992.51/1,330,292,850.92 = 546,258,388.99/x - Step 3: Cross multiply
963,959,992.51x = 1,330,292,850.92 × 546,258,388.99 - Step 4: Simplify right side
963,959,992.51x = 726,683,629,628,473,472 - Step 5: Solve for x
x = 726,683,629,628,473,472/963,959,992.51 - Step 6: Final answer
x = 753,852,478.60
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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.