Finding the Fourth Proportional to 8,818,277,725.20, 13,227,416,587.80 and 6,641,495,389.20
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Solution
The fourth proportional to 8,818,277,725.20, 13,227,416,587.80 and 6,641,495,389.20 is: 9,962,243,083.80
Step by Step Solution
- Step 1: Write the proportion equation
8,818,277,725.20 : 13,227,416,587.80 = 6,641,495,389.20 : x - Step 2: Convert to fraction form
8,818,277,725.20/13,227,416,587.80 = 6,641,495,389.20/x - Step 3: Cross multiply
8,818,277,725.20x = 13,227,416,587.80 × 6,641,495,389.20 - Step 4: Simplify right side
8,818,277,725.20x = 87,849,826,278,901,284,864 - Step 5: Solve for x
x = 87,849,826,278,901,284,864/8,818,277,725.20 - Step 6: Final answer
x = 9,962,243,083.80
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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.