Finding the Fourth Proportional to 5,207,085,628.99, 7,185,655,943.82 and 3,063,831,109.91
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Solution
The fourth proportional to 5,207,085,628.99, 7,185,655,943.82 and 3,063,831,109.91 is: 4,228,015,015.38
Step by Step Solution
- Step 1: Write the proportion equation
5,207,085,628.99 : 7,185,655,943.82 = 3,063,831,109.91 : x - Step 2: Convert to fraction form
5,207,085,628.99/7,185,655,943.82 = 3,063,831,109.91/x - Step 3: Cross multiply
5,207,085,628.99x = 7,185,655,943.82 × 3,063,831,109.91 - Step 4: Simplify right side
5,207,085,628.99x = 22,015,636,225,737,236,480 - Step 5: Solve for x
x = 22,015,636,225,737,236,480/5,207,085,628.99 - Step 6: Final answer
x = 4,228,015,015.38
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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.