Finding the Fourth Proportional to 748,014,781.80, 1,122,022,172.70 and 202,756,315.80
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Solution
The fourth proportional to 748,014,781.80, 1,122,022,172.70 and 202,756,315.80 is: 304,134,473.70
Step by Step Solution
- Step 1: Write the proportion equation
748,014,781.80 : 1,122,022,172.70 = 202,756,315.80 : x - Step 2: Convert to fraction form
748,014,781.80/1,122,022,172.70 = 202,756,315.80/x - Step 3: Cross multiply
748,014,781.80x = 1,122,022,172.70 × 202,756,315.80 - Step 4: Simplify right side
748,014,781.80x = 227,497,081,982,563,360 - Step 5: Solve for x
x = 227,497,081,982,563,360/748,014,781.80 - Step 6: Final answer
x = 304,134,473.70
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Similar ratio
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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.