Finding the Fourth Proportional to 1,674,199,995.55, 2,511,306,574.04 and 678,239,838.34
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Solution
The fourth proportional to 1,674,199,995.55, 2,511,306,574.04 and 678,239,838.34 is: 1,017,362,423.44
Step by Step Solution
- Step 1: Write the proportion equation
1,674,199,995.55 : 2,511,306,574.04 = 678,239,838.34 : x - Step 2: Convert to fraction form
1,674,199,995.55/2,511,306,574.04 = 678,239,838.34/x - Step 3: Cross multiply
1,674,199,995.55x = 2,511,306,574.04 × 678,239,838.34 - Step 4: Simplify right side
1,674,199,995.55x = 1,703,268,164,794,486,016 - Step 5: Solve for x
x = 1,703,268,164,794,486,016/1,674,199,995.55 - Step 6: Final answer
x = 1,017,362,423.44
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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.