Finding the Fourth Proportional to 3,612,823,408.40, 4,976,406,820.68 and 2,553,730,582.88
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Solution
The fourth proportional to 3,612,823,408.40, 4,976,406,820.68 and 2,553,730,582.88 is: 3,517,581,917.03
Step by Step Solution
- Step 1: Write the proportion equation
3,612,823,408.40 : 4,976,406,820.68 = 2,553,730,582.88 : x - Step 2: Convert to fraction form
3,612,823,408.40/4,976,406,820.68 = 2,553,730,582.88/x - Step 3: Cross multiply
3,612,823,408.40x = 4,976,406,820.68 × 2,553,730,582.88 - Step 4: Simplify right side
3,612,823,408.40x = 12,708,402,290,823,145,472 - Step 5: Solve for x
x = 12,708,402,290,823,145,472/3,612,823,408.40 - Step 6: Final answer
x = 3,517,581,917.03
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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.