Finding the Fourth Proportional to 912,961,789.94, 1,370,328,234.26 and 440,593,258.95
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Solution
The fourth proportional to 912,961,789.94, 1,370,328,234.26 and 440,593,258.95 is: 661,317,252.50
Step by Step Solution
- Step 1: Write the proportion equation
912,961,789.94 : 1,370,328,234.26 = 440,593,258.95 : x - Step 2: Convert to fraction form
912,961,789.94/1,370,328,234.26 = 440,593,258.95/x - Step 3: Cross multiply
912,961,789.94x = 1,370,328,234.26 × 440,593,258.95 - Step 4: Simplify right side
912,961,789.94x = 603,757,382,561,609,472 - Step 5: Solve for x
x = 603,757,382,561,609,472/912,961,789.94 - Step 6: Final answer
x = 661,317,252.50
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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.