Finding the Fourth Proportional to 4,120,865,031.53, 5,688,272,951.57 and 2,450,110,186.91
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Solution
The fourth proportional to 4,120,865,031.53, 5,688,272,951.57 and 2,450,110,186.91 is: 3,382,031,538.99
Step by Step Solution
- Step 1: Write the proportion equation
4,120,865,031.53 : 5,688,272,951.57 = 2,450,110,186.91 : x - Step 2: Convert to fraction form
4,120,865,031.53/5,688,272,951.57 = 2,450,110,186.91/x - Step 3: Cross multiply
4,120,865,031.53x = 5,688,272,951.57 × 2,450,110,186.91 - Step 4: Simplify right side
4,120,865,031.53x = 13,936,895,504,543,954,944 - Step 5: Solve for x
x = 13,936,895,504,543,954,944/4,120,865,031.53 - Step 6: Final answer
x = 3,382,031,538.99
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1.5x scale
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.