Finding the Fourth Proportional to 3,516,473,701.40, 5,280,757,169.70 and 2,488,548,709.40
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Solution
The fourth proportional to 3,516,473,701.40, 5,280,757,169.70 and 2,488,548,709.40 is: 3,737,102,152.67
Step by Step Solution
- Step 1: Write the proportion equation
3,516,473,701.40 : 5,280,757,169.70 = 2,488,548,709.40 : x - Step 2: Convert to fraction form
3,516,473,701.40/5,280,757,169.70 = 2,488,548,709.40/x - Step 3: Cross multiply
3,516,473,701.40x = 5,280,757,169.70 × 2,488,548,709.40 - Step 4: Simplify right side
3,516,473,701.40x = 13,141,421,439,311,732,736 - Step 5: Solve for x
x = 13,141,421,439,311,732,736/3,516,473,701.40 - Step 6: Final answer
x = 3,737,102,152.67
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1.5x scale
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.