Finding the Fourth Proportional to 3,319,222,328.20, 4,978,833,492.30 and 3,128,753,873.80
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Solution
The fourth proportional to 3,319,222,328.20, 4,978,833,492.30 and 3,128,753,873.80 is: 4,693,130,810.70
Step by Step Solution
- Step 1: Write the proportion equation
3,319,222,328.20 : 4,978,833,492.30 = 3,128,753,873.80 : x - Step 2: Convert to fraction form
3,319,222,328.20/4,978,833,492.30 = 3,128,753,873.80/x - Step 3: Cross multiply
3,319,222,328.20x = 4,978,833,492.30 × 3,128,753,873.80 - Step 4: Simplify right side
3,319,222,328.20x = 15,577,544,576,038,809,600 - Step 5: Solve for x
x = 15,577,544,576,038,809,600/3,319,222,328.20 - Step 6: Final answer
x = 4,693,130,810.70
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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.