Finding the Fourth Proportional to 459,438,156.99, 634,078,258.63 and 261,229,350.54
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Solution
The fourth proportional to 459,438,156.99, 634,078,258.63 and 261,229,350.54 is: 360,526,981.00
Step by Step Solution
- Step 1: Write the proportion equation
459,438,156.99 : 634,078,258.63 = 261,229,350.54 : x - Step 2: Convert to fraction form
459,438,156.99/634,078,258.63 = 261,229,350.54/x - Step 3: Cross multiply
459,438,156.99x = 634,078,258.63 × 261,229,350.54 - Step 4: Simplify right side
459,438,156.99x = 165,639,851,695,173,792 - Step 5: Solve for x
x = 165,639,851,695,173,792/459,438,156.99 - Step 6: Final answer
x = 360,526,981.00
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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.