Finding the Fourth Proportional to 7,926,936,533.46, 11,890,135,503.81 and 2,031,553,657.62
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Solution
The fourth proportional to 7,926,936,533.46, 11,890,135,503.81 and 2,031,553,657.62 is: 3,047,261,469.85
Step by Step Solution
- Step 1: Write the proportion equation
7,926,936,533.46 : 11,890,135,503.81 = 2,031,553,657.62 : x - Step 2: Convert to fraction form
7,926,936,533.46/11,890,135,503.81 = 2,031,553,657.62/x - Step 3: Cross multiply
7,926,936,533.46x = 11,890,135,503.81 × 2,031,553,657.62 - Step 4: Simplify right side
7,926,936,533.46x = 24,155,448,272,362,622,976 - Step 5: Solve for x
x = 24,155,448,272,362,622,976/7,926,936,533.46 - Step 6: Final answer
x = 3,047,261,469.85
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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.