Finding the Fourth Proportional to 542,982,063.42, 814,723,582.86 and 247,967,622.06
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Solution
The fourth proportional to 542,982,063.42, 814,723,582.86 and 247,967,622.06 is: 372,065,825.17
Step by Step Solution
- Step 1: Write the proportion equation
542,982,063.42 : 814,723,582.86 = 247,967,622.06 : x - Step 2: Convert to fraction form
542,982,063.42/814,723,582.86 = 247,967,622.06/x - Step 3: Cross multiply
542,982,063.42x = 814,723,582.86 × 247,967,622.06 - Step 4: Simplify right side
542,982,063.42x = 202,025,069,477,997,568 - Step 5: Solve for x
x = 202,025,069,477,997,568/542,982,063.42 - Step 6: Final answer
x = 372,065,825.17
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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.