Finding the Fourth Proportional to 1,598,032,311.76, 2,205,195,634.92 and 883,526,557.12
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Solution
The fourth proportional to 1,598,032,311.76, 2,205,195,634.92 and 883,526,557.12 is: 1,219,217,466.86
Step by Step Solution
- Step 1: Write the proportion equation
1,598,032,311.76 : 2,205,195,634.92 = 883,526,557.12 : x - Step 2: Convert to fraction form
1,598,032,311.76/2,205,195,634.92 = 883,526,557.12/x - Step 3: Cross multiply
1,598,032,311.76x = 2,205,195,634.92 × 883,526,557.12 - Step 4: Simplify right side
1,598,032,311.76x = 1,948,348,907,096,920,064 - Step 5: Solve for x
x = 1,948,348,907,096,920,064/1,598,032,311.76 - Step 6: Final answer
x = 1,219,217,466.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.