Finding the Fourth Proportional to 664,591,230.84, 917,188,179.66 and 378,494,854.08
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Solution
The fourth proportional to 664,591,230.84, 917,188,179.66 and 378,494,854.08 is: 522,352,673.52
Step by Step Solution
- Step 1: Write the proportion equation
664,591,230.84 : 917,188,179.66 = 378,494,854.08 : x - Step 2: Convert to fraction form
664,591,230.84/917,188,179.66 = 378,494,854.08/x - Step 3: Cross multiply
664,591,230.84x = 917,188,179.66 × 378,494,854.08 - Step 4: Simplify right side
664,591,230.84x = 347,151,006,224,312,512 - Step 5: Solve for x
x = 347,151,006,224,312,512/664,591,230.84 - Step 6: Final answer
x = 522,352,673.52
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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.