Finding the Fourth Proportional to 1,062,883,257.30, 1,594,324,885.95 and 917,480,999.70
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Solution
The fourth proportional to 1,062,883,257.30, 1,594,324,885.95 and 917,480,999.70 is: 1,376,221,499.55
Step by Step Solution
- Step 1: Write the proportion equation
1,062,883,257.30 : 1,594,324,885.95 = 917,480,999.70 : x - Step 2: Convert to fraction form
1,062,883,257.30/1,594,324,885.95 = 917,480,999.70/x - Step 3: Cross multiply
1,062,883,257.30x = 1,594,324,885.95 × 917,480,999.70 - Step 4: Simplify right side
1,062,883,257.30x = 1,462,762,790,207,994,624 - Step 5: Solve for x
x = 1,462,762,790,207,994,624/1,062,883,257.30 - Step 6: Final answer
x = 1,376,221,499.55
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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.