Finding the Fourth Proportional to 1,571,792,142.70, 2,357,688,214.05 and 1,396,440,232.30
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Solution
The fourth proportional to 1,571,792,142.70, 2,357,688,214.05 and 1,396,440,232.30 is: 2,094,660,348.45
Step by Step Solution
- Step 1: Write the proportion equation
1,571,792,142.70 : 2,357,688,214.05 = 1,396,440,232.30 : x - Step 2: Convert to fraction form
1,571,792,142.70/2,357,688,214.05 = 1,396,440,232.30/x - Step 3: Cross multiply
1,571,792,142.70x = 2,357,688,214.05 × 1,396,440,232.30 - Step 4: Simplify right side
1,571,792,142.70x = 3,292,370,677,318,954,496 - Step 5: Solve for x
x = 3,292,370,677,318,954,496/1,571,792,142.70 - Step 6: Final answer
x = 2,094,660,348.45
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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.