Finding the Fourth Proportional to 1,049,299,392.70, 1,573,231,643.70 and 496,866,473.20
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Solution
The fourth proportional to 1,049,299,392.70, 1,573,231,643.70 and 496,866,473.20 is: 744,959,983.56
Step by Step Solution
- Step 1: Write the proportion equation
1,049,299,392.70 : 1,573,231,643.70 = 496,866,473.20 : x - Step 2: Convert to fraction form
1,049,299,392.70/1,573,231,643.70 = 496,866,473.20/x - Step 3: Cross multiply
1,049,299,392.70x = 1,573,231,643.70 × 496,866,473.20 - Step 4: Simplify right side
1,049,299,392.70x = 781,686,058,331,858,048 - Step 5: Solve for x
x = 781,686,058,331,858,048/1,049,299,392.70 - Step 6: Final answer
x = 744,959,983.56
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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.