Finding the Fourth Proportional to 756,035,861.20, 1,134,053,791.80 and 602,980,853.20
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Solution
The fourth proportional to 756,035,861.20, 1,134,053,791.80 and 602,980,853.20 is: 904,471,279.80
Step by Step Solution
- Step 1: Write the proportion equation
756,035,861.20 : 1,134,053,791.80 = 602,980,853.20 : x - Step 2: Convert to fraction form
756,035,861.20/1,134,053,791.80 = 602,980,853.20/x - Step 3: Cross multiply
756,035,861.20x = 1,134,053,791.80 × 602,980,853.20 - Step 4: Simplify right side
756,035,861.20x = 683,812,722,954,259,200 - Step 5: Solve for x
x = 683,812,722,954,259,200/756,035,861.20 - Step 6: Final answer
x = 904,471,279.80
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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.