Finding the Fourth Proportional to 4,655,890,471.12, 6,983,769,938.48 and 2,167,359,530.10
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Solution
The fourth proportional to 4,655,890,471.12, 6,983,769,938.48 and 2,167,359,530.10 is: 3,251,008,679.45
Step by Step Solution
- Step 1: Write the proportion equation
4,655,890,471.12 : 6,983,769,938.48 = 2,167,359,530.10 : x - Step 2: Convert to fraction form
4,655,890,471.12/6,983,769,938.48 = 2,167,359,530.10/x - Step 3: Cross multiply
4,655,890,471.12x = 6,983,769,938.48 × 2,167,359,530.10 - Step 4: Simplify right side
4,655,890,471.12x = 15,136,340,332,190,517,248 - Step 5: Solve for x
x = 15,136,340,332,190,517,248/4,655,890,471.12 - Step 6: Final answer
x = 3,251,008,679.45
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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.