Finding the Fourth Proportional to 612,121,202.70, 918,181,804.05 and 612,121,202.70
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Solution
The fourth proportional to 612,121,202.70, 918,181,804.05 and 612,121,202.70 is: 918,181,804.05
Step by Step Solution
- Step 1: Write the proportion equation
612,121,202.70 : 918,181,804.05 = 612,121,202.70 : x - Step 2: Convert to fraction form
612,121,202.70/918,181,804.05 = 612,121,202.70/x - Step 3: Cross multiply
612,121,202.70x = 918,181,804.05 × 612,121,202.70 - Step 4: Simplify right side
612,121,202.70x = 562,038,550,192,341,760 - Step 5: Solve for x
x = 562,038,550,192,341,760/612,121,202.70 - Step 6: Final answer
x = 918,181,804.05
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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.