Finding the Fourth Proportional to 4,042,440,128.10, 6,063,660,192.15 and 1,282,285,164.90
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Solution
The fourth proportional to 4,042,440,128.10, 6,063,660,192.15 and 1,282,285,164.90 is: 1,923,427,747.35
Step by Step Solution
- Step 1: Write the proportion equation
4,042,440,128.10 : 6,063,660,192.15 = 1,282,285,164.90 : x - Step 2: Convert to fraction form
4,042,440,128.10/6,063,660,192.15 = 1,282,285,164.90/x - Step 3: Cross multiply
4,042,440,128.10x = 6,063,660,192.15 × 1,282,285,164.90 - Step 4: Simplify right side
4,042,440,128.10x = 7,775,341,509,388,628,992 - Step 5: Solve for x
x = 7,775,341,509,388,628,992/4,042,440,128.10 - Step 6: Final answer
x = 1,923,427,747.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.