Finding the Fourth Proportional to 1,467,936,038.40, 2,201,904,057.60 and 887,460,748.80
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Solution
The fourth proportional to 1,467,936,038.40, 2,201,904,057.60 and 887,460,748.80 is: 1,331,191,123.20
Step by Step Solution
- Step 1: Write the proportion equation
1,467,936,038.40 : 2,201,904,057.60 = 887,460,748.80 : x - Step 2: Convert to fraction form
1,467,936,038.40/2,201,904,057.60 = 887,460,748.80/x - Step 3: Cross multiply
1,467,936,038.40x = 2,201,904,057.60 × 887,460,748.80 - Step 4: Simplify right side
1,467,936,038.40x = 1,954,103,423,743,454,208 - Step 5: Solve for x
x = 1,954,103,423,743,454,208/1,467,936,038.40 - Step 6: Final answer
x = 1,331,191,123.20
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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.