Finding the Fourth Proportional to 579,414,444.60, 869,275,631.70 and 251,749,356.60
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Solution
The fourth proportional to 579,414,444.60, 869,275,631.70 and 251,749,356.60 is: 377,690,930.95
Step by Step Solution
- Step 1: Write the proportion equation
579,414,444.60 : 869,275,631.70 = 251,749,356.60 : x - Step 2: Convert to fraction form
579,414,444.60/869,275,631.70 = 251,749,356.60/x - Step 3: Cross multiply
579,414,444.60x = 869,275,631.70 × 251,749,356.60 - Step 4: Simplify right side
579,414,444.60x = 218,839,580,988,533,568 - Step 5: Solve for x
x = 218,839,580,988,533,568/579,414,444.60 - Step 6: Final answer
x = 377,690,930.95
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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.