Finding the Fourth Proportional to 7,376,095,828.19, 10,179,042,911.00 and 3,989,005,117.77
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Solution
The fourth proportional to 7,376,095,828.19, 10,179,042,911.00 and 3,989,005,117.77 is: 5,504,843,647.88
Step by Step Solution
- Step 1: Write the proportion equation
7,376,095,828.19 : 10,179,042,911.00 = 3,989,005,117.77 : x - Step 2: Convert to fraction form
7,376,095,828.19/10,179,042,911.00 = 3,989,005,117.77/x - Step 3: Cross multiply
7,376,095,828.19x = 10,179,042,911.00 × 3,989,005,117.77 - Step 4: Simplify right side
7,376,095,828.19x = 40,604,254,265,948,299,264 - Step 5: Solve for x
x = 40,604,254,265,948,299,264/7,376,095,828.19 - Step 6: Final answer
x = 5,504,843,647.88
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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.