Finding the Fourth Proportional to 2,203,971,943.23, 3,041,481,337.11 and 1,213,897,360.23
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Solution
The fourth proportional to 2,203,971,943.23, 3,041,481,337.11 and 1,213,897,360.23 is: 1,675,178,387.66
Step by Step Solution
- Step 1: Write the proportion equation
2,203,971,943.23 : 3,041,481,337.11 = 1,213,897,360.23 : x - Step 2: Convert to fraction form
2,203,971,943.23/3,041,481,337.11 = 1,213,897,360.23/x - Step 3: Cross multiply
2,203,971,943.23x = 3,041,481,337.11 × 1,213,897,360.23 - Step 4: Simplify right side
2,203,971,943.23x = 3,692,046,166,306,639,872 - Step 5: Solve for x
x = 3,692,046,166,306,639,872/2,203,971,943.23 - Step 6: Final answer
x = 1,675,178,387.66
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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.