Finding the Fourth Proportional to 4,211,329,206.67, 5,811,815,898.77 and 2,331,734,656.68
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Solution
The fourth proportional to 4,211,329,206.67, 5,811,815,898.77 and 2,331,734,656.68 is: 3,217,894,371.20
Step by Step Solution
- Step 1: Write the proportion equation
4,211,329,206.67 : 5,811,815,898.77 = 2,331,734,656.68 : x - Step 2: Convert to fraction form
4,211,329,206.67/5,811,815,898.77 = 2,331,734,656.68/x - Step 3: Cross multiply
4,211,329,206.67x = 5,811,815,898.77 × 2,331,734,656.68 - Step 4: Simplify right side
4,211,329,206.67x = 13,551,612,549,394,171,904 - Step 5: Solve for x
x = 13,551,612,549,394,171,904/4,211,329,206.67 - Step 6: Final answer
x = 3,217,894,371.20
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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.