Finding the Fourth Proportional to 488,767,732.68, 674,494,728.75 and 265,749,411.18
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Solution
The fourth proportional to 488,767,732.68, 674,494,728.75 and 265,749,411.18 is: 366,731,608.95
Step by Step Solution
- Step 1: Write the proportion equation
488,767,732.68 : 674,494,728.75 = 265,749,411.18 : x - Step 2: Convert to fraction form
488,767,732.68/674,494,728.75 = 265,749,411.18/x - Step 3: Cross multiply
488,767,732.68x = 674,494,728.75 × 265,749,411.18 - Step 4: Simplify right side
488,767,732.68x = 179,246,577,009,326,336 - Step 5: Solve for x
x = 179,246,577,009,326,336/488,767,732.68 - Step 6: Final answer
x = 366,731,608.95
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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.