Finding the Fourth Proportional to 2,586,857,182.20, 3,880,285,773.30 and 929,558,423.70
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Solution
The fourth proportional to 2,586,857,182.20, 3,880,285,773.30 and 929,558,423.70 is: 1,394,337,635.55
Step by Step Solution
- Step 1: Write the proportion equation
2,586,857,182.20 : 3,880,285,773.30 = 929,558,423.70 : x - Step 2: Convert to fraction form
2,586,857,182.20/3,880,285,773.30 = 929,558,423.70/x - Step 3: Cross multiply
2,586,857,182.20x = 3,880,285,773.30 × 929,558,423.70 - Step 4: Simplify right side
2,586,857,182.20x = 3,606,952,326,934,283,776 - Step 5: Solve for x
x = 3,606,952,326,934,283,776/2,586,857,182.20 - Step 6: Final answer
x = 1,394,337,635.55
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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.