Finding the Fourth Proportional to 2,640,198,889,498, 3,960,298,334,247 and 2,640,198,889,498
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Solution
The fourth proportional to 2,640,198,889,498, 3,960,298,334,247 and 2,640,198,889,498 is: 3,960,298,334,247
Step by Step Solution
- Step 1: Write the proportion equation
2,640,198,889,498 : 3,960,298,334,247 = 2,640,198,889,498 : x - Step 2: Convert to fraction form
2,640,198,889,498/3,960,298,334,247 = 2,640,198,889,498/x - Step 3: Cross multiply
2,640,198,889,498x = 3,960,298,334,247 × 2,640,198,889,498 - Step 4: Simplify right side
2,640,198,889,498x = 10,455,975,264,159,708,712,271,872 - Step 5: Solve for x
x = 10,455,975,264,159,708,712,271,872/2,640,198,889,498 - Step 6: Final answer
x = 3,960,298,334,247
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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.