Finding the Fourth Proportional to 3,126,649,740.48, 4,690,125,437.16 and 1,028,079,685.80
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Solution
The fourth proportional to 3,126,649,740.48, 4,690,125,437.16 and 1,028,079,685.80 is: 1,542,169,122.23
Step by Step Solution
- Step 1: Write the proportion equation
3,126,649,740.48 : 4,690,125,437.16 = 1,028,079,685.80 : x - Step 2: Convert to fraction form
3,126,649,740.48/4,690,125,437.16 = 1,028,079,685.80/x - Step 3: Cross multiply
3,126,649,740.48x = 4,690,125,437.16 × 1,028,079,685.80 - Step 4: Simplify right side
3,126,649,740.48x = 4,821,822,685,798,039,552 - Step 5: Solve for x
x = 4,821,822,685,798,039,552/3,126,649,740.48 - Step 6: Final answer
x = 1,542,169,122.23
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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.