Finding the Fourth Proportional to 17,021,664,831.30, 25,532,497,246.95 and 10,491,317,823.30
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Solution
The fourth proportional to 17,021,664,831.30, 25,532,497,246.95 and 10,491,317,823.30 is: 15,736,976,734.95
Step by Step Solution
- Step 1: Write the proportion equation
17,021,664,831.30 : 25,532,497,246.95 = 10,491,317,823.30 : x - Step 2: Convert to fraction form
17,021,664,831.30/25,532,497,246.95 = 10,491,317,823.30/x - Step 3: Cross multiply
17,021,664,831.30x = 25,532,497,246.95 × 10,491,317,823.30 - Step 4: Simplify right side
17,021,664,831.30x = 267,869,543,440,284,712,960 - Step 5: Solve for x
x = 267,869,543,440,284,712,960/17,021,664,831.30 - Step 6: Final answer
x = 15,736,976,734.95
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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.