Finding the Fourth Proportional to 1,720,963,118.20, 2,581,444,677.30 and 1,577,474,048.20
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Solution
The fourth proportional to 1,720,963,118.20, 2,581,444,677.30 and 1,577,474,048.20 is: 2,366,211,072.30
Step by Step Solution
- Step 1: Write the proportion equation
1,720,963,118.20 : 2,581,444,677.30 = 1,577,474,048.20 : x - Step 2: Convert to fraction form
1,720,963,118.20/2,581,444,677.30 = 1,577,474,048.20/x - Step 3: Cross multiply
1,720,963,118.20x = 2,581,444,677.30 × 1,577,474,048.20 - Step 4: Simplify right side
1,720,963,118.20x = 4,072,161,985,304,774,144 - Step 5: Solve for x
x = 4,072,161,985,304,774,144/1,720,963,118.20 - Step 6: Final answer
x = 2,366,211,072.30
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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.