Finding the Fourth Proportional to 405,059,947.13, 559,072,652.18 and 246,256,326.38
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Solution
The fourth proportional to 405,059,947.13, 559,072,652.18 and 246,256,326.38 is: 339,888,400.42
Step by Step Solution
- Step 1: Write the proportion equation
405,059,947.13 : 559,072,652.18 = 246,256,326.38 : x - Step 2: Convert to fraction form
405,059,947.13/559,072,652.18 = 246,256,326.38/x - Step 3: Cross multiply
405,059,947.13x = 559,072,652.18 × 246,256,326.38 - Step 4: Simplify right side
405,059,947.13x = 137,675,177,505,536,688 - Step 5: Solve for x
x = 137,675,177,505,536,688/405,059,947.13 - Step 6: Final answer
x = 339,888,400.42
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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.