Finding the Fourth Proportional to 1,890,236,000.20, 2,835,354,000.30 and 510,048,293.80
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Solution
The fourth proportional to 1,890,236,000.20, 2,835,354,000.30 and 510,048,293.80 is: 765,072,440.70
Step by Step Solution
- Step 1: Write the proportion equation
1,890,236,000.20 : 2,835,354,000.30 = 510,048,293.80 : x - Step 2: Convert to fraction form
1,890,236,000.20/2,835,354,000.30 = 510,048,293.80/x - Step 3: Cross multiply
1,890,236,000.20x = 2,835,354,000.30 × 510,048,293.80 - Step 4: Simplify right side
1,890,236,000.20x = 1,446,167,470,172,019,712 - Step 5: Solve for x
x = 1,446,167,470,172,019,712/1,890,236,000.20 - Step 6: Final answer
x = 765,072,440.70
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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.