Finding the Fourth Proportional to 661,482,351.30, 912,335,770.44 and 410,735,201.46
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Solution
The fourth proportional to 661,482,351.30, 912,335,770.44 and 410,735,201.46 is: 566,497,980.99
Step by Step Solution
- Step 1: Write the proportion equation
661,482,351.30 : 912,335,770.44 = 410,735,201.46 : x - Step 2: Convert to fraction form
661,482,351.30/912,335,770.44 = 410,735,201.46/x - Step 3: Cross multiply
661,482,351.30x = 912,335,770.44 × 410,735,201.46 - Step 4: Simplify right side
661,482,351.30x = 374,728,416,470,837,696 - Step 5: Solve for x
x = 374,728,416,470,837,696/661,482,351.30 - Step 6: Final answer
x = 566,497,980.99
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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.