Finding the Fourth Proportional to 560,106,830.70, 840,160,246.05 and 521,843,078.70
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Solution
The fourth proportional to 560,106,830.70, 840,160,246.05 and 521,843,078.70 is: 782,764,618.05
Step by Step Solution
- Step 1: Write the proportion equation
560,106,830.70 : 840,160,246.05 = 521,843,078.70 : x - Step 2: Convert to fraction form
560,106,830.70/840,160,246.05 = 521,843,078.70/x - Step 3: Cross multiply
560,106,830.70x = 840,160,246.05 × 521,843,078.70 - Step 4: Simplify right side
560,106,830.70x = 438,431,809,400,081,472 - Step 5: Solve for x
x = 438,431,809,400,081,472/560,106,830.70 - Step 6: Final answer
x = 782,764,618.05
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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.