Finding the Fourth Proportional to 4,828,896,072.70, 7,243,344,109.05 and 4,692,847,176.70
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Solution
The fourth proportional to 4,828,896,072.70, 7,243,344,109.05 and 4,692,847,176.70 is: 7,039,270,765.05
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,072.70 : 7,243,344,109.05 = 4,692,847,176.70 : x - Step 2: Convert to fraction form
4,828,896,072.70/7,243,344,109.05 = 4,692,847,176.70/x - Step 3: Cross multiply
4,828,896,072.70x = 7,243,344,109.05 × 4,692,847,176.70 - Step 4: Simplify right side
4,828,896,072.70x = 33,991,906,952,021,868,544 - Step 5: Solve for x
x = 33,991,906,952,021,868,544/4,828,896,072.70 - Step 6: Final answer
x = 7,039,270,765.05
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Double scale
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Similar ratio
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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.