Finding the Fourth Proportional to 1,832,207,246.40, 2,746,519,279.20 and 1,638,715,483.20
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Solution
The fourth proportional to 1,832,207,246.40, 2,746,519,279.20 and 1,638,715,483.20 is: 2,456,470,836.79
Step by Step Solution
- Step 1: Write the proportion equation
1,832,207,246.40 : 2,746,519,279.20 = 1,638,715,483.20 : x - Step 2: Convert to fraction form
1,832,207,246.40/2,746,519,279.20 = 1,638,715,483.20/x - Step 3: Cross multiply
1,832,207,246.40x = 2,746,519,279.20 × 1,638,715,483.20 - Step 4: Simplify right side
1,832,207,246.40x = 4,500,763,667,732,343,296 - Step 5: Solve for x
x = 4,500,763,667,732,343,296/1,832,207,246.40 - Step 6: Final answer
x = 2,456,470,836.79
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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.