Finding the Fourth Proportional to 617,701,391.44, 926,551,304.69 and 157,639,571.08
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Solution
The fourth proportional to 617,701,391.44, 926,551,304.69 and 157,639,571.08 is: 236,459,156.93
Step by Step Solution
- Step 1: Write the proportion equation
617,701,391.44 : 926,551,304.69 = 157,639,571.08 : x - Step 2: Convert to fraction form
617,701,391.44/926,551,304.69 = 157,639,571.08/x - Step 3: Cross multiply
617,701,391.44x = 926,551,304.69 × 157,639,571.08 - Step 4: Simplify right side
617,701,391.44x = 146,061,150,251,841,408 - Step 5: Solve for x
x = 146,061,150,251,841,408/617,701,391.44 - Step 6: Final answer
x = 236,459,156.93
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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.