Finding the Fourth Proportional to 2,414,617,393.80, 3,621,926,090.70 and 1,930,887,985.80
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Solution
The fourth proportional to 2,414,617,393.80, 3,621,926,090.70 and 1,930,887,985.80 is: 2,896,331,978.70
Step by Step Solution
- Step 1: Write the proportion equation
2,414,617,393.80 : 3,621,926,090.70 = 1,930,887,985.80 : x - Step 2: Convert to fraction form
2,414,617,393.80/3,621,926,090.70 = 1,930,887,985.80/x - Step 3: Cross multiply
2,414,617,393.80x = 3,621,926,090.70 × 1,930,887,985.80 - Step 4: Simplify right side
2,414,617,393.80x = 6,993,533,573,988,190,208 - Step 5: Solve for x
x = 6,993,533,573,988,190,208/2,414,617,393.80 - Step 6: Final answer
x = 2,896,331,978.70
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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.