Finding the Fourth Proportional to 7,528,092,562.80, 11,292,138,844.20 and 4,424,162,194.80
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Solution
The fourth proportional to 7,528,092,562.80, 11,292,138,844.20 and 4,424,162,194.80 is: 6,636,243,292.20
Step by Step Solution
- Step 1: Write the proportion equation
7,528,092,562.80 : 11,292,138,844.20 = 4,424,162,194.80 : x - Step 2: Convert to fraction form
7,528,092,562.80/11,292,138,844.20 = 4,424,162,194.80/x - Step 3: Cross multiply
7,528,092,562.80x = 11,292,138,844.20 × 4,424,162,194.80 - Step 4: Simplify right side
7,528,092,562.80x = 49,958,253,772,942,213,120 - Step 5: Solve for x
x = 49,958,253,772,942,213,120/7,528,092,562.80 - Step 6: Final answer
x = 6,636,243,292.20
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Double scale
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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.