Finding the Fourth Proportional to 1,492,997,147.20, 2,239,495,720.80 and 1,025,392,052.80
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Solution
The fourth proportional to 1,492,997,147.20, 2,239,495,720.80 and 1,025,392,052.80 is: 1,538,088,079.20
Step by Step Solution
- Step 1: Write the proportion equation
1,492,997,147.20 : 2,239,495,720.80 = 1,025,392,052.80 : x - Step 2: Convert to fraction form
1,492,997,147.20/2,239,495,720.80 = 1,025,392,052.80/x - Step 3: Cross multiply
1,492,997,147.20x = 2,239,495,720.80 × 1,025,392,052.80 - Step 4: Simplify right side
1,492,997,147.20x = 2,296,361,114,387,927,808 - Step 5: Solve for x
x = 2,296,361,114,387,927,808/1,492,997,147.20 - Step 6: Final answer
x = 1,538,088,079.20
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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.