Finding the Fourth Proportional to 8,732,103,674.10, 13,098,155,511.15 and 3,210,219,107.70
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Solution
The fourth proportional to 8,732,103,674.10, 13,098,155,511.15 and 3,210,219,107.70 is: 4,815,328,661.55
Step by Step Solution
- Step 1: Write the proportion equation
8,732,103,674.10 : 13,098,155,511.15 = 3,210,219,107.70 : x - Step 2: Convert to fraction form
8,732,103,674.10/13,098,155,511.15 = 3,210,219,107.70/x - Step 3: Cross multiply
8,732,103,674.10x = 13,098,155,511.15 × 3,210,219,107.70 - Step 4: Simplify right side
8,732,103,674.10x = 42,047,949,097,519,783,936 - Step 5: Solve for x
x = 42,047,949,097,519,783,936/8,732,103,674.10 - Step 6: Final answer
x = 4,815,328,661.55
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Double scale
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Similar ratio
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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.