Finding the Fourth Proportional to 2,077,126,861.80, 3,115,690,292.70 and 623,104,285.80
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Solution
The fourth proportional to 2,077,126,861.80, 3,115,690,292.70 and 623,104,285.80 is: 934,656,428.70
Step by Step Solution
- Step 1: Write the proportion equation
2,077,126,861.80 : 3,115,690,292.70 = 623,104,285.80 : x - Step 2: Convert to fraction form
2,077,126,861.80/3,115,690,292.70 = 623,104,285.80/x - Step 3: Cross multiply
2,077,126,861.80x = 3,115,690,292.70 × 623,104,285.80 - Step 4: Simplify right side
2,077,126,861.80x = 1,941,399,974,606,826,240 - Step 5: Solve for x
x = 1,941,399,974,606,826,240/2,077,126,861.80 - Step 6: Final answer
x = 934,656,428.70
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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.