Finding the Fourth Proportional to 2,804,026,553.78, 3,869,648,939.85 and 1,533,838,469.99
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Solution
The fourth proportional to 2,804,026,553.78, 3,869,648,939.85 and 1,533,838,469.99 is: 2,116,747,575.48
Step by Step Solution
- Step 1: Write the proportion equation
2,804,026,553.78 : 3,869,648,939.85 = 1,533,838,469.99 : x - Step 2: Convert to fraction form
2,804,026,553.78/3,869,648,939.85 = 1,533,838,469.99/x - Step 3: Cross multiply
2,804,026,553.78x = 3,869,648,939.85 × 1,533,838,469.99 - Step 4: Simplify right side
2,804,026,553.78x = 5,935,416,409,297,949,696 - Step 5: Solve for x
x = 5,935,416,409,297,949,696/2,804,026,553.78 - Step 6: Final answer
x = 2,116,747,575.48
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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.