Finding the Fourth Proportional to 671,956,365.36, 927,252,432.66 and 374,585,453.75
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Solution
The fourth proportional to 671,956,365.36, 927,252,432.66 and 374,585,453.75 is: 516,901,529.82
Step by Step Solution
- Step 1: Write the proportion equation
671,956,365.36 : 927,252,432.66 = 374,585,453.75 : x - Step 2: Convert to fraction form
671,956,365.36/927,252,432.66 = 374,585,453.75/x - Step 3: Cross multiply
671,956,365.36x = 927,252,432.66 × 374,585,453.75 - Step 4: Simplify right side
671,956,365.36x = 347,335,273,224,101,120 - Step 5: Solve for x
x = 347,335,273,224,101,120/671,956,365.36 - Step 6: Final answer
x = 516,901,529.82
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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.