Finding the Fourth Proportional to 488,831,773.91, 674,600,632.81 and 265,826,497.95
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Solution
The fourth proportional to 488,831,773.91, 674,600,632.81 and 265,826,497.95 is: 366,847,519.55
Step by Step Solution
- Step 1: Write the proportion equation
488,831,773.91 : 674,600,632.81 = 265,826,497.95 : x - Step 2: Convert to fraction form
488,831,773.91/674,600,632.81 = 265,826,497.95/x - Step 3: Cross multiply
488,831,773.91x = 674,600,632.81 × 265,826,497.95 - Step 4: Simplify right side
488,831,773.91x = 179,326,723,734,071,584 - Step 5: Solve for x
x = 179,326,723,734,071,584/488,831,773.91 - Step 6: Final answer
x = 366,847,519.55
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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.