Finding the Fourth Proportional to 399,181,515.60, 598,772,273.40 and 226,591,640.40
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Solution
The fourth proportional to 399,181,515.60, 598,772,273.40 and 226,591,640.40 is: 339,887,460.60
Step by Step Solution
- Step 1: Write the proportion equation
399,181,515.60 : 598,772,273.40 = 226,591,640.40 : x - Step 2: Convert to fraction form
399,181,515.60/598,772,273.40 = 226,591,640.40/x - Step 3: Cross multiply
399,181,515.60x = 598,772,273.40 × 226,591,640.40 - Step 4: Simplify right side
399,181,515.60x = 135,676,791,655,743,280 - Step 5: Solve for x
x = 135,676,791,655,743,280/399,181,515.60 - Step 6: Final answer
x = 339,887,460.60
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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.