Finding the Fourth Proportional to 9,476,627,143.80, 14,214,940,715.70 and 6,721,636,999.80
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Solution
The fourth proportional to 9,476,627,143.80, 14,214,940,715.70 and 6,721,636,999.80 is: 10,082,455,499.70
Step by Step Solution
- Step 1: Write the proportion equation
9,476,627,143.80 : 14,214,940,715.70 = 6,721,636,999.80 : x - Step 2: Convert to fraction form
9,476,627,143.80/14,214,940,715.70 = 6,721,636,999.80/x - Step 3: Cross multiply
9,476,627,143.80x = 14,214,940,715.70 × 6,721,636,999.80 - Step 4: Simplify right side
9,476,627,143.80x = 95,547,671,464,612,626,432 - Step 5: Solve for x
x = 95,547,671,464,612,626,432/9,476,627,143.80 - Step 6: Final answer
x = 10,082,455,499.70
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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.