Finding the Fourth Proportional to 2,640,198,889,776.70, 3,960,298,334,665 and 2,640,198,889,776.70
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Solution
The fourth proportional to 2,640,198,889,776.70, 3,960,298,334,665 and 2,640,198,889,776.70 is: 3,960,298,334,665.00
Step by Step Solution
- Step 1: Write the proportion equation
2,640,198,889,776.70 : 3,960,298,334,665 = 2,640,198,889,776.70 : x - Step 2: Convert to fraction form
2,640,198,889,776.70/3,960,298,334,665 = 2,640,198,889,776.70/x - Step 3: Cross multiply
2,640,198,889,776.70x = 3,960,298,334,665 × 2,640,198,889,776.70 - Step 4: Simplify right side
2,640,198,889,776.70x = 10,455,975,266,367,047,024,508,928 - Step 5: Solve for x
x = 10,455,975,266,367,047,024,508,928/2,640,198,889,776.70 - Step 6: Final answer
x = 3,960,298,334,665.00
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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.