Finding the Fourth Proportional to 645,560,715.94, 968,710,077.68 and 350,479,827.88
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Solution
The fourth proportional to 645,560,715.94, 968,710,077.68 and 350,479,827.88 is: 525,920,076.77
Step by Step Solution
- Step 1: Write the proportion equation
645,560,715.94 : 968,710,077.68 = 350,479,827.88 : x - Step 2: Convert to fraction form
645,560,715.94/968,710,077.68 = 350,479,827.88/x - Step 3: Cross multiply
645,560,715.94x = 968,710,077.68 × 350,479,827.88 - Step 4: Simplify right side
645,560,715.94x = 339,513,341,286,733,632 - Step 5: Solve for x
x = 339,513,341,286,733,632/645,560,715.94 - Step 6: Final answer
x = 525,920,076.77
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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.