Finding the Fourth Proportional to 961,402,812.08, 1,441,902,433.44 and 271,148,640.80
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Solution
The fourth proportional to 961,402,812.08, 1,441,902,433.44 and 271,148,640.80 is: 406,666,050.98
Step by Step Solution
- Step 1: Write the proportion equation
961,402,812.08 : 1,441,902,433.44 = 271,148,640.80 : x - Step 2: Convert to fraction form
961,402,812.08/1,441,902,433.44 = 271,148,640.80/x - Step 3: Cross multiply
961,402,812.08x = 1,441,902,433.44 × 271,148,640.80 - Step 4: Simplify right side
961,402,812.08x = 390,969,884,993,468,480 - Step 5: Solve for x
x = 390,969,884,993,468,480/961,402,812.08 - Step 6: Final answer
x = 406,666,050.98
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1.5x scale
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.