Finding the Fourth Proportional to 489,075,332.60, 733,612,998.90 and 325,816,657.40
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Solution
The fourth proportional to 489,075,332.60, 733,612,998.90 and 325,816,657.40 is: 488,724,986.10
Step by Step Solution
- Step 1: Write the proportion equation
489,075,332.60 : 733,612,998.90 = 325,816,657.40 : x - Step 2: Convert to fraction form
489,075,332.60/733,612,998.90 = 325,816,657.40/x - Step 3: Cross multiply
489,075,332.60x = 733,612,998.90 × 325,816,657.40 - Step 4: Simplify right side
489,075,332.60x = 239,023,335,126,787,840 - Step 5: Solve for x
x = 239,023,335,126,787,840/489,075,332.60 - Step 6: Final answer
x = 488,724,986.10
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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.