Finding the Fourth Proportional to 2,230,554,307.20, 3,345,831,460.80 and 1,310,871,235.20
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Solution
The fourth proportional to 2,230,554,307.20, 3,345,831,460.80 and 1,310,871,235.20 is: 1,966,306,852.80
Step by Step Solution
- Step 1: Write the proportion equation
2,230,554,307.20 : 3,345,831,460.80 = 1,310,871,235.20 : x - Step 2: Convert to fraction form
2,230,554,307.20/3,345,831,460.80 = 1,310,871,235.20/x - Step 3: Cross multiply
2,230,554,307.20x = 3,345,831,460.80 × 1,310,871,235.20 - Step 4: Simplify right side
2,230,554,307.20x = 4,385,954,219,789,916,672 - Step 5: Solve for x
x = 4,385,954,219,789,916,672/2,230,554,307.20 - Step 6: Final answer
x = 1,966,306,852.80
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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.