Finding the Fourth Proportional to 627,489,679.96, 941,349,440.18 and 258,823,520.70
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Solution
The fourth proportional to 627,489,679.96, 941,349,440.18 and 258,823,520.70 is: 388,282,682.72
Step by Step Solution
- Step 1: Write the proportion equation
627,489,679.96 : 941,349,440.18 = 258,823,520.70 : x - Step 2: Convert to fraction form
627,489,679.96/941,349,440.18 = 258,823,520.70/x - Step 3: Cross multiply
627,489,679.96x = 941,349,440.18 × 258,823,520.70 - Step 4: Simplify right side
627,489,679.96x = 243,643,376,316,361,632 - Step 5: Solve for x
x = 243,643,376,316,361,632/627,489,679.96 - Step 6: Final answer
x = 388,282,682.72
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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.