Finding the Fourth Proportional to 2,071,144,369.40, 3,106,716,554.10 and 1,258,425,879.80
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Solution
The fourth proportional to 2,071,144,369.40, 3,106,716,554.10 and 1,258,425,879.80 is: 1,887,638,819.70
Step by Step Solution
- Step 1: Write the proportion equation
2,071,144,369.40 : 3,106,716,554.10 = 1,258,425,879.80 : x - Step 2: Convert to fraction form
2,071,144,369.40/3,106,716,554.10 = 1,258,425,879.80/x - Step 3: Cross multiply
2,071,144,369.40x = 3,106,716,554.10 × 1,258,425,879.80 - Step 4: Simplify right side
2,071,144,369.40x = 3,909,572,512,882,516,480 - Step 5: Solve for x
x = 3,909,572,512,882,516,480/2,071,144,369.40 - Step 6: Final answer
x = 1,887,638,819.70
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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.