Finding the Fourth Proportional to 3,931,294,434.60, 5,421,593,273.16 and 3,073,082,394.60
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Solution
The fourth proportional to 3,931,294,434.60, 5,421,593,273.16 and 3,073,082,394.60 is: 4,238,045,029.59
Step by Step Solution
- Step 1: Write the proportion equation
3,931,294,434.60 : 5,421,593,273.16 = 3,073,082,394.60 : x - Step 2: Convert to fraction form
3,931,294,434.60/5,421,593,273.16 = 3,073,082,394.60/x - Step 3: Cross multiply
3,931,294,434.60x = 5,421,593,273.16 × 3,073,082,394.60 - Step 4: Simplify right side
3,931,294,434.60x = 16,661,002,838,429,784,064 - Step 5: Solve for x
x = 16,661,002,838,429,784,064/3,931,294,434.60 - Step 6: Final answer
x = 4,238,045,029.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.