Finding the Fourth Proportional to 2,230,554,292.20, 3,345,831,438.30 and 1,310,871,220.20
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Solution
The fourth proportional to 2,230,554,292.20, 3,345,831,438.30 and 1,310,871,220.20 is: 1,966,306,830.30
Step by Step Solution
- Step 1: Write the proportion equation
2,230,554,292.20 : 3,345,831,438.30 = 1,310,871,220.20 : x - Step 2: Convert to fraction form
2,230,554,292.20/3,345,831,438.30 = 1,310,871,220.20/x - Step 3: Cross multiply
2,230,554,292.20x = 3,345,831,438.30 × 1,310,871,220.20 - Step 4: Simplify right side
2,230,554,292.20x = 4,385,954,140,107,842,560 - Step 5: Solve for x
x = 4,385,954,140,107,842,560/2,230,554,292.20 - Step 6: Final answer
x = 1,966,306,830.30
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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.