Finding the Fourth Proportional to 2,556,277,672.20, 3,834,416,508.30 and 1,685,564,737.80
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Solution
The fourth proportional to 2,556,277,672.20, 3,834,416,508.30 and 1,685,564,737.80 is: 2,528,347,106.70
Step by Step Solution
- Step 1: Write the proportion equation
2,556,277,672.20 : 3,834,416,508.30 = 1,685,564,737.80 : x - Step 2: Convert to fraction form
2,556,277,672.20/3,834,416,508.30 = 1,685,564,737.80/x - Step 3: Cross multiply
2,556,277,672.20x = 3,834,416,508.30 × 1,685,564,737.80 - Step 4: Simplify right side
2,556,277,672.20x = 6,463,157,256,428,681,216 - Step 5: Solve for x
x = 6,463,157,256,428,681,216/2,556,277,672.20 - Step 6: Final answer
x = 2,528,347,106.70
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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.