Finding the Fourth Proportional to 7,612,136,053.58, 10,503,895,750.92 and 4,225,188,117.32
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Solution
The fourth proportional to 7,612,136,053.58, 10,503,895,750.92 and 4,225,188,117.32 is: 5,830,286,689.57
Step by Step Solution
- Step 1: Write the proportion equation
7,612,136,053.58 : 10,503,895,750.92 = 4,225,188,117.32 : x - Step 2: Convert to fraction form
7,612,136,053.58/10,503,895,750.92 = 4,225,188,117.32/x - Step 3: Cross multiply
7,612,136,053.58x = 10,503,895,750.92 × 4,225,188,117.32 - Step 4: Simplify right side
7,612,136,053.58x = 44,380,935,512,355,225,600 - Step 5: Solve for x
x = 44,380,935,512,355,225,600/7,612,136,053.58 - Step 6: Final answer
x = 5,830,286,689.57
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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.