Finding the Fourth Proportional to 684,052,808.06, 943,967,585.10 and 370,780,295.98
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Solution
The fourth proportional to 684,052,808.06, 943,967,585.10 and 370,780,295.98 is: 511,663,100.38
Step by Step Solution
- Step 1: Write the proportion equation
684,052,808.06 : 943,967,585.10 = 370,780,295.98 : x - Step 2: Convert to fraction form
684,052,808.06/943,967,585.10 = 370,780,295.98/x - Step 3: Cross multiply
684,052,808.06x = 943,967,585.10 × 370,780,295.98 - Step 4: Simplify right side
684,052,808.06x = 350,004,580,598,903,872 - Step 5: Solve for x
x = 350,004,580,598,903,872/684,052,808.06 - Step 6: Final answer
x = 511,663,100.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.