Finding the Fourth Proportional to 4,259,102,456.81, 5,877,453,109.30 and 2,379,521,857.05
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Solution
The fourth proportional to 4,259,102,456.81, 5,877,453,109.30 and 2,379,521,857.05 is: 3,283,679,667.06
Step by Step Solution
- Step 1: Write the proportion equation
4,259,102,456.81 : 5,877,453,109.30 = 2,379,521,857.05 : x - Step 2: Convert to fraction form
4,259,102,456.81/5,877,453,109.30 = 2,379,521,857.05/x - Step 3: Cross multiply
4,259,102,456.81x = 5,877,453,109.30 × 2,379,521,857.05 - Step 4: Simplify right side
4,259,102,456.81x = 13,985,528,137,360,121,856 - Step 5: Solve for x
x = 13,985,528,137,360,121,856/4,259,102,456.81 - Step 6: Final answer
x = 3,283,679,667.06
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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.