Finding the Fourth Proportional to 703,341,163.28, 1,055,172,445.68 and 243,278,944.40
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Solution
The fourth proportional to 703,341,163.28, 1,055,172,445.68 and 243,278,944.40 is: 364,974,001.45
Step by Step Solution
- Step 1: Write the proportion equation
703,341,163.28 : 1,055,172,445.68 = 243,278,944.40 : x - Step 2: Convert to fraction form
703,341,163.28/1,055,172,445.68 = 243,278,944.40/x - Step 3: Cross multiply
703,341,163.28x = 1,055,172,445.68 × 243,278,944.40 - Step 4: Simplify right side
703,341,163.28x = 256,701,238,744,996,736 - Step 5: Solve for x
x = 256,701,238,744,996,736/703,341,163.28 - Step 6: Final answer
x = 364,974,001.45
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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.