Finding the Fourth Proportional to 1,656,228,839.20, 2,482,233,241.20 and 880,246,247.20
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Solution
The fourth proportional to 1,656,228,839.20, 2,482,233,241.20 and 880,246,247.20 is: 1,319,247,946.62
Step by Step Solution
- Step 1: Write the proportion equation
1,656,228,839.20 : 2,482,233,241.20 = 880,246,247.20 : x - Step 2: Convert to fraction form
1,656,228,839.20/2,482,233,241.20 = 880,246,247.20/x - Step 3: Cross multiply
1,656,228,839.20x = 2,482,233,241.20 × 880,246,247.20 - Step 4: Simplify right side
1,656,228,839.20x = 2,184,976,495,241,392,384 - Step 5: Solve for x
x = 2,184,976,495,241,392,384/1,656,228,839.20 - Step 6: Final answer
x = 1,319,247,946.62
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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.