Finding the Fourth Proportional to 1,342,381,103,137.40, 1,852,486,664,183.40 and 725,083,817,544.80
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Solution
The fourth proportional to 1,342,381,103,137.40, 1,852,486,664,183.40 and 725,083,817,544.80 is: 1,000,616,068,922.30
Step by Step Solution
- Step 1: Write the proportion equation
1,342,381,103,137.40 : 1,852,486,664,183.40 = 725,083,817,544.80 : x - Step 2: Convert to fraction form
1,342,381,103,137.40/1,852,486,664,183.40 = 725,083,817,544.80/x - Step 3: Cross multiply
1,342,381,103,137.40x = 1,852,486,664,183.40 × 725,083,817,544.80 - Step 4: Simplify right side
1,342,381,103,137.40x = 1,343,208,102,416,931,505,569,792 - Step 5: Solve for x
x = 1,343,208,102,416,931,505,569,792/1,342,381,103,137.40 - Step 6: Final answer
x = 1,000,616,068,922.30
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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.